Function | Header | Library | Conformance | Description |
cputs | conio.h | libc.lib | MSVC | Write string to console |
getch | conio.h | libc.lib | MSVC | Read character from console |
kbhit | conio.h | libc.lib | MSVC | Checks the console for keyboard input |
putch | conio.h | libc.lib | MSVC | Write character to console |
closedir | dirent.h | libc.lib | POSIX | Close directory |
creat | fcntl.h,io.h,os.h | os.lib | POSIX | Create a file |
open | fcntl.h,io.h,os.h | os.lib | POSIX | Open a file |
sopen | io.h,os.h | os.lib | MSVC | Open a stream with file sharing |
tell | io.h,os.h | os.lib | POSIX | Get current file pointer |
umask | io.h,os.h | os.lib | POSIX | Set the default file permission mask |
canonicalize | os.h | os.lib | Return canonical file name representation | |
ftruncate | unistd.h,os.h | os.lib | POSIX | Change the file size |
ftruncate64 | unistd.h,os.h | os.lib | POSIX | Change the file size |
fsync | unistd.h,os.h | os.lib | POSIX | Flush a file |
fstatfs | os.h | os.lib | Get file system statistics for an open file | |
futime | utime.h,os.h | os.lib | Set modification time on an open file | |
getfsstat | os.h | os.lib | Get information about mounted file systems | |
ioctl | os.h | os.lib | Control device | |
mkfs | os.h | os.lib | Create and format file system on device | |
mount | os.h | os.lib | Mount a file system | |
opendir | dirent.h | libc.lib | POSIX | Open directory for listing |
readdir | dirent.h | libc.lib | POSIX | Read directory entry |
readv | uio.h,os.h | os.lib | POSIX | Read a vector |
realpath | stdlib.h | libc.lib | POSIX | Resolve a pathname |
writev | uio.h,os.h | os.lib | POSIX | Write a vector |
setmode | os.h | os.lib | MSVC | Set the file translation mode |
statfs | os.h | os.lib | Get file system statistics for path | |
tell64 | os.h | os.lib | Get the position of the file pointer | |
umount | os.h | os.lib | Unmount a file system | |
utime | utime.h,os.h | os.lib | POSIX | Set the file modification time |
readline | stdlib.h | libc.lib | Read line from console with command line editing and history | |
chmod | sys/stat.h,os.h | os.lib | POSIX | Change file permissions |
fchmod | sys/stat.h,os.h | os.lib | POSIX | Change permissions for an open file |
chown | unistd.h,os.h | os.lib | POSIX | Change owner and group of a file |
fchown | unistd.h,os.h | os.lib | POSIX | Change owner and group for an open file |
fstat | sys/stat.h,os.h | os.lib | POSIX | Get information about an open file |
fstat64 | sys/stat.h,os.h | os.lib | MSVC | Get information about an open file |
filelength | io.h,os.h | os.lib | MSVC | Return length of file |
filelength64 | io.h,os.h | os.lib | Return length of file | |
mkdir | sys/stat.h,os.h | os.lib | POSIX | Create a new directory |
stat | sys/stat.h,os.h | os.lib | POSIX | Get information about a file |
stat64 | sys/stat.h,os.h | os.lib | MSVC | Get information about a file |
access | unistd.h,io.h,os.h | os.lib | POSIX | Determine file access permission |
close | unistd.h,io.h,os.h | os.lib | POSIX | Close a file |
dup | unistd.h,io.h,os.h | os.lib | POSIX | Duplicate a file handle |
dup2 | unistd.h,io.h,os.h | os.lib | POSIX | Reassign a handle to a file |
lseek | unistd.h,io.h,os.h | os.lib | POSIX | Reposition file pointer to a given location |
pread | unistd.h,os.h | os.lib | POSIX | Positional read from a file |
pwrite | unistd.h,os.h | os.lib | POSIX | Positional write to a file |
read | unistd.h,io.h,os.h | os.lib | POSIX | Read data from a file |
rewinddir | dirent.h | libc.lib | POSIX | Rewind directory |
write | unistd.h,io.h,os.h | os.lib | POSIX | Write data to a file |
chdir | unistd.h,os.h | os.lib | POSIX | Change the current directory |
getcwd | unistd.h,os.h | os.lib | POSIX | Get the current working directory |
link | unistd.h,os.h | os.lib | POSIX | Make a new name for a file |
lseek64 | unistd.h,os.h | os.lib | MSVC | Move a file pointer to the specified location |
pipe | unistd.h,os.h | os.lib | POSIX | Create a pipe for reading and writing |
rmdir | unistd.h,os.h | os.lib | POSIX | Remove a directory |
unlink | unistd.h,os.h | os.lib | POSIX | Delete a name and possibly the file it refers to |
_opendir | os.h | os.lib | Low-level open directory | |
_readdir | os.h | os.lib | Low-level read directory | |
poll | poll.h,os.h | os.lib | POSIX | Wait for events on set of file descriptors |
mktemp | stdlib.h | clib.lib | POSIX | Make a unique filename |
mkdtemp | stdlib.h | clib.lib | POSIX | Create temporary directory |
mkstemp | stdlib.h | clib.lib | POSIX | Create temporary file |
mkstemps | stdlib.h | clib.lib | POSIX | Create temporary file with suffix |
Function | Header | Library | Conformance | Description |
atomic_add | atomic.h | Atomically add to a variable | ||
atomic_decrement | atomic.h | Atomically decrement a variable | ||
atomic_exchange | atomic.h | Atomically exchange value of a variable | ||
atomic_increment | atomic.h | Atomically increment a variable | ||
beginthread | os.h | os.lib | Create new thread | |
csfree | os.h | os.lib | Delete critical section | |
dispatch | os.h | os.lib | Add handle to I/O multiplexer for later dispatching on handle event | |
endthread | os.h | os.lib | Terminate current thread | |
enter | os.h | os.lib | Enter critical section | |
epulse | os.h | os.lib | Pulse event | |
ereset | os.h | os.lib | Reset event | |
eset | os.h | os.lib | Set event | |
getcontext | os.h | os.lib | Get context for thread | |
getprio | os.h | os.lib | Get thread priority | |
getthreadblock | os.h | os.lib | Get thread information block for a thread | |
getjobhandle | os.h | os.lib | Get handle for a job | |
gettib | os.h | os.lib | Get thread information block for current thread | |
gettid | os.h | os.lib | Get thread id | |
getpid | unistd.h,os.h | os.lib | POSIX | Get job id |
getppid | unistd.h,os.h | os.lib | POSIX | Get parent job id |
leave | os.h | os.lib | Leave critical section | |
mkcs | os.h | os.lib | Create new critical section | |
mkevent | os.h | os.lib | Create event object | |
mkiomux | os.h | os.lib | Create I/O multiplexer object | |
mkmutex | os.h | os.lib | Create mutex object | |
mksem | os.h | os.lib | Create semaphore object | |
mutexrel | os.h | os.lib | Release ownership of a mutex | |
pthread_attr_init | pthread.h | libc.lib | POSIX | Initialize thread attributes object |
pthread_attr_destroy | pthread.h | libc.lib | POSIX | Destroy thread attributes object |
pthread_attr_getdetachstate | pthread.h | libc.lib | POSIX | Get detachstate attribute |
pthread_attr_setdetachstate | pthread.h | libc.lib | POSIX | Set detachstate attribute |
pthread_attr_getstackaddr | pthread.h | libc.lib | POSIX | Get stackaddr attribute |
pthread_attr_setstackaddr | pthread.h | libc.lib | POSIX | Set stackaddr attribute |
pthread_attr_getstacksize | pthread.h | libc.lib | POSIX | Get stacksize attribute |
pthread_attr_setstacksize | pthread.h | libc.lib | POSIX | Set stacksize attribute |
pthread_attr_getschedparam | pthread.h | libc.lib | POSIX | Get schedparam attribute |
pthread_attr_setschedparam | pthread.h | libc.lib | POSIX | Set schedparam attribute |
pthread_attr_getschedpolicy | pthread.h | libc.lib | POSIX | Get schedpolicy attribute |
pthread_attr_setschedpolicy | pthread.h | libc.lib | POSIX | Set schedpolicy attribute |
pthread_attr_getinheritsched | pthread.h | libc.lib | POSIX | Get inheritsched attribute |
pthread_attr_setinheritsched | pthread.h | libc.lib | POSIX | Set inheritsched attribute |
pthread_attr_getscope | pthread.h | libc.lib | POSIX | Get scope attribute |
pthread_attr_setscope | pthread.h | libc.lib | POSIX | Set scope attribute |
pthread_create | pthread.h | libc.lib | POSIX | Thread creation |
pthread_detach | pthread.h | libc.lib | POSIX | Detach a thread |
pthread_equal | pthread.h | libc.lib | POSIX | Compare thread IDs |
pthread_exit | pthread.h | libc.lib | POSIX | Thread termination |
pthread_join | pthread.h | libc.lib | POSIX | Wait for thread termination |
pthread_self | pthread.h | libc.lib | POSIX | Get calling thread's ID |
pthread_cancel | pthread.h | libc.lib | POSIX | Cancel execution of a thread |
pthread_setcancelstate | pthread.h | libc.lib | POSIX | Set cancelability state |
pthread_setcanceltype | pthread.h | libc.lib | POSIX | Set cancelability type |
pthread_testcancel | pthread.h | libc.lib | POSIX | Create a cancellation point in the calling thread |
pthread_once | pthread.h | libc.lib | POSIX | Dynamic package initialization |
pthread_setschedparam | pthread.h | libc.lib | POSIX | Set thread scheduling policy |
pthread_getschedparam | pthread.h | libc.lib | POSIX | Get thread scheduling policy |
pthread_setconcurrency | pthread.h | libc.lib | POSIX | Set level of concurrency |
pthread_getconcurrency | pthread.h | libc.lib | POSIX | Get level of concurrency |
pthread_key_create | pthread.h | libc.lib | POSIX | Thread-specific data key creation |
pthread_key_delete | pthread.h | libc.lib | POSIX | Thread-specific data key deletion |
pthread_setspecific | pthread.h | libc.lib | POSIX | Set thread-specific value for key |
pthread_getspecific | pthread.h | libc.lib | POSIX | Get thread-specific value for key |
pthread_mutexattr_init | pthread.h | libc.lib | POSIX | Initialize mutex attributes object |
pthread_mutexattr_destroy | pthread.h | libc.lib | POSIX | Destroy mutex attributes object |
pthread_mutexattr_getpshared | pthread.h | libc.lib | POSIX | Get pshared attribute |
pthread_mutexattr_setpshared | pthread.h | libc.lib | POSIX | Set pshared attribute |
pthread_mutexattr_gettype | pthread.h | libc.lib | POSIX | Get type attribute |
pthread_mutexattr_settype | pthread.h | libc.lib | POSIX | Set type attribute |
pthread_mutex_init | pthread.h | libc.lib | POSIX | Initialize a mutex |
pthread_mutex_destroy | pthread.h | libc.lib | POSIX | Destroy a mutex |
pthread_mutex_lock | pthread.h | libc.lib | POSIX | Lock a mutex |
pthread_mutex_timedlock | pthread.h | libc.lib | POSIX | Lock a mutex with timeout |
pthread_mutex_trylock | pthread.h | libc.lib | POSIX | Try to lock a mutex |
pthread_mutex_unlock | pthread.h | libc.lib | POSIX | Unlock a mutex |
pthread_condattr_init | pthread.h | libc.lib | POSIX | Initialize condition variable attributes object |
pthread_condattr_destroy | pthread.h | libc.lib | POSIX | Destroy condition variable attributes object |
pthread_condattr_getpshared | pthread.h | libc.lib | POSIX | Get pshared attribute |
pthread_condattr_setpshared | pthread.h | libc.lib | POSIX | Set pshared attribute |
pthread_cond_init | pthread.h | libc.lib | POSIX | Initialize a condition variable |
pthread_cond_destroy | pthread.h | libc.lib | POSIX | Destroy a condition variable |
pthread_cond_wait | pthread.h | libc.lib | POSIX | Wait on condition |
pthread_cond_timedwait | pthread.h | libc.lib | POSIX | Wait on condition with timeout |
pthread_cond_signal | pthread.h | libc.lib | POSIX | Signal a condition |
pthread_cond_broadcast | pthread.h | libc.lib | POSIX | Broadcast a condition |
pthread_barrierattr_init | pthread.h | libc.lib | POSIX | Initialize barrier attributes object |
pthread_barrierattr_destroy | pthread.h | libc.lib | POSIX | Destroy barrier attributes object |
pthread_barrierattr_getpshared | pthread.h | libc.lib | POSIX | Get pshared attribute |
pthread_barrierattr_setpshared | pthread.h | libc.lib | POSIX | Set pshared attribute |
pthread_barrier_init | pthread.h | libc.lib | POSIX | Initialize a barrier object |
pthread_barrier_destroy | pthread.h | libc.lib | POSIX | Destroy a barrier object |
pthread_barrier_wait | pthread.h | libc.lib | POSIX | Synchronize at a barrier |
pthread_rwlockattr_init | pthread.h | libc.lib | POSIX | Initialize read-write lock attributes object |
pthread_rwlockattr_destroy | pthread.h | libc.lib | POSIX | Destroy read-write lock attributes object |
pthread_rwlockattr_getpshared | pthread.h | libc.lib | POSIX | Get pshared attribute |
pthread_rwlockattr_setpshared | pthread.h | libc.lib | POSIX | Set pshared attribute |
pthread_rwlock_init | pthread.h | libc.lib | POSIX | Initialize a read-write lock object |
pthread_rwlock_destroy | pthread.h | libc.lib | POSIX | Destroy a read-write lock object |
pthread_rwlock_tryrdlock | pthread.h | libc.lib | POSIX | Try to lock a read-write lock for reading |
pthread_rwlock_trywrlock | pthread.h | libc.lib | POSIX | Try to lock a read-write lock for writing |
pthread_rwlock_rdlock | pthread.h | libc.lib | POSIX | Lock a read-write lock for reading |
pthread_rwlock_timedrdlock | pthread.h | libc.lib | POSIX | Lock a read-write lock for reading with timeout |
pthread_rwlock_wrlock | pthread.h | libc.lib | POSIX | Lock a read-write lock for write |
pthread_rwlock_timedwrlock | pthread.h | libc.lib | POSIX | Lock a read-write lock for write with timeout |
pthread_rwlock_unlock | pthread.h | libc.lib | POSIX | Unlock a read-write lock |
pthread_spin_init | pthread.h | libc.lib | POSIX | Initialize a spin lock object |
pthread_spin_destroy | pthread.h | libc.lib | POSIX | Destroy a spin lock object |
pthread_spin_lock | pthread.h | libc.lib | POSIX | Lock a spin lock |
pthread_spin_trylock | pthread.h | libc.lib | POSIX | Try to lock a spin lock |
pthread_spin_unlock | pthread.h | libc.lib | POSIX | Unlock a spin lock |
resume | os.h | os.lib | Resume execution of thread | |
sched_get_priority_min | sched.h | libc.lib | POSIX | Get minimum thread priority |
sched_get_priority_max | sched.h | libc.lib | POSIX | Get maximum thread priority |
sched_getscheduler | sched.h | libc.lib | POSIX | Get scheduler |
sched_setscheduler | sched.h | libc.lib | POSIX | Set scheduler |
sched_yield | sched.h | libc.lib | POSIX | Yield processor |
self | os.h | os.lib | Return thread handle for current thread | |
semrel | os.h | os.lib | Release semaphore | |
sem_close | semaphore.h | libc.lib | POSIX | Close semaphore |
sem_destroy | semaphore.h | libc.lib | POSIX | Destroy semaphore |
sem_getvalue | semaphore.h | libc.lib | POSIX | Get the value of a semaphore |
sem_init | semaphore.h | libc.lib | POSIX | Initialize a semaphore |
sem_open | semaphore.h | libc.lib | POSIX | Open a semaphore |
sem_post | semaphore.h | libc.lib | POSIX | Unlock a semaphore |
sem_post_multiple | semaphore.h | libc.lib | POSIX | Unlock a semaphore multiple times |
sem_timedwait | semaphore.h | libc.lib | POSIX | Lock a semaphore with timeout |
sem_trywait | semaphore.h | libc.lib | POSIX | Try to lock a semaphore |
sem_unlink | semaphore.h | libc.lib | POSIX | Remove semapore |
sem_wait | semaphore.h | libc.lib | POSIX | Lock a semaphore |
setcontext | os.h | os.lib | Set context for thread | |
setprio | os.h | os.lib | Set thread priority | |
sleep | unistd.h,os.h | os.lib | POSIX | Sleep for a number of seconds |
msleep | os.h | os.lib | Sleep for a number of milliseconds | |
usleep | unistd.h | libc.lib | POSIX | Sleep for a number of microseconds |
nanosleep | time.h | libc.lib | POSIX | Sleep for a number of nanoseconds |
spawn | os.h | os.lib | Load application and spawn new job | |
spawnv | os.h | os.lib | Spawn new job with argument array | |
spawnl | os.h | os.lib | Spawn new job with argument list | |
spawnve | os.h | os.lib | Spawn new job with arguments and environment | |
suspend | os.h | os.lib | Suspend execution of thread | |
tlsalloc | os.h | os.lib | Allocate thread local storage index | |
threadtimes | sys/times.h,os.h | os.lib | Get CPU time for thread | |
times | sys/times.h,os.h | os.lib | POSIX | Get CPU time for current thread |
tlsfree | os.h | os.lib | Free threads local storage index | |
tlsget | os.h | os.lib | Get value for thread local storage | |
tlsset | os.h | os.lib | Set value for thread local storage | |
waitone | os.h | os.lib | Wait for object to become signaled | |
waitall | os.h | os.lib | Wait for a number of objects to become signaled | |
waitany | os.h | os.lib | Wait for one of a number of objects to become signaled | |
longjmp | setjmp.h | libc.lib | ANSI | Perform non-local jump |
setjmp | setjmp.h | libc.lib | ANSI | Saves stack environment for longjmp return |
sigsetjmp | setjmp.h | libc.lib | ANSI | Saves stack environment and signal mask for longjmp return |
siglongjmp | setjmp.h | libc.lib | ANSI | Restore signal mask and perform non-local jump |
atexit | stdlib.h | libc.lib | ANSI | Register a function for execution at exit |
system | stdlib.h | libc.lib | ANSI | Execute operating system command |
exit | stdlib.h,os.h | os.lib | ANSI | Exit process |
_exit | stdlib.h,os.h | os.lib | POSIX | Exit process without running exit handlers |
vfork | unistd.h | libc.lib | POSIX | Create a new process, share virtual memory |
execve | unistd.h | libc.lib | POSIX | Execute a file with arguments and environment |
execv | unistd.h | libc.lib | POSIX | Execute a file with argument array |
execl | unistd.h | libc.lib | POSIX | Execute a file with argument list |
waitpid | sys/wait.h | libc.lib | POSIX | Wait for a job to terminate |
wait | sys/wait.h | libc.lib | POSIX | Wait for a child job to terminate |
Function | Header | Library | Conformance | Description |
alarm | unistd.h,os.h | os.lib | POSIX | Schedule an alarm signal |
strsignal | string.h,os.h | os.lib | Return string describing signal | |
sendsig | os.h | os.lib | Send a signal to a thread | |
sigexit | os.h | os.lib | Exit signal handler | |
kill | signal.h,os.h | os.lib | POSIX | Send a signal to a job |
raise | signal.h,os.h | os.lib | ANSI | Raise signal |
signal | signal.h,os.h | os.lib | ANSI | Set signal handler |
sigemptyset | signal.h,os.h | os.lib | POSIX | Initialize and empty a signal set |
sigfillset | signal.h,os.h | os.lib | POSIX | Initialize and fill a signal set |
sigaddset | signal.h,os.h | os.lib | POSIX | Add a signal to a signal set |
sigdelset | signal.h,os.h | os.lib | POSIX | Delete a signal from a signal set |
sigismember | signal.h,os.h | os.lib | POSIX | Test for a signal in a signal set |
sigaction | signal.h,os.h | os.lib | POSIX | Examine and change signal action |
sigprocmask | signal.h,os.h | os.lib | POSIX | Examine and change blocked signals |
sigpending | signal.h,os.h | os.lib | POSIX | Examine pending signals |
sigsuspend | signal.h,os.h | os.lib | POSIX | Wait for a signal |
Function | Header | Library | Conformance | Description |
exec | os.h | os.lib | Execute main entry point for module | |
getmodpath | os.h | os.lib | Get path for module | |
getmodule | os.h | os.lib | Find module by name | |
getresdata | os.h | os.lib | Get resource data in module | |
getreslen | os.h | os.lib | Get resource data size | |
getverinfo | os.h | os.lib | Get version information for module | |
getvervalue | os.h | os.lib | Get value from version resource | |
dlopen | dlfcn.h,os.h | os.lib | POSIX | Load module |
dlsym | dlfcn.h,os.h | os.lib | POSIX | Find entry point in loadable module |
dlclose | dlfcn.h,os.h | os.lib | POSIX | Unload module |
Function | Header | Library | Conformance | Description |
accept | sys/socket.h,os.h | os.lib | BSD | Accept a new connection on a socket |
bind | sys/socket.h,os.h | os.lib | BSD | Associate a local address with a socket |
connect | sys/socket.h,os.h | os.lib | BSD | Establish a connection to a specified socket |
dn_comp | os.h | os.lib | BSD | Compress an Internet domain name |
dn_expand | os.h | os.lib | BSD | Expand a compressed Internet domain name |
gethostbyaddr | netdb.h,os.h | os.lib | BSD | Get a network host entry, given an Internet address |
gethostbyname | netdb.h,os.h | os.lib | BSD | Get a network host entry, given a name |
gethostname | os.h | os.lib | BSD | Get the name of the current host |
getpeername | sys/socket.h,os.h | os.lib | BSD | Retrieve the name of the peer to which a socket is connected |
getprotobyname | netdb.h,os.h | os.lib | BSD | Get a protocol entry, given a name |
getprotobynumber | netdb.h,os.h | os.lib | BSD | Get a protocol entry, given a number |
getservbyname | netdb.h,os.h | os.lib | BSD | Get a service entry, given a name |
getservbyport | netdb.h,os.h | os.lib | BSD | Get a service entry, given a port |
getsockname | sys/socket.h,os.h | os.lib | BSD | Retrieve the local name for a socket |
getsockopt | sys/socket.h,os.h | os.lib | BSD | Retrieve a socket option |
inet_addr | arpa/inet.h,os.h | os.lib | BSD | Convert a string into an Internet address |
inet_ntoa | arpa/inet.h,os.h | os.lib | BSD | Convert an Internet address into a string |
listen | sys/socket.h,os.h | os.lib | BSD | Place a socket in a state where it is listening for an incoming connection |
recv | sys/socket.h,os.h | os.lib | BSD | Receive data from a connected or bound socket |
recvfrom | sys/socket.h,os.h | os.lib | BSD | Receive a datagram and store the source address |
recvmsg | sys/socket.h,os.h | os.lib | BSD | Receive a message on a socket |
res_mkquery | os.h | os.lib | BSD | Construct an Internet domain name query |
res_query | os.h | os.lib | BSD | Query the domain name server |
res_querydomain | os.h | os.lib | BSD | Query the local Internet domain name server |
res_search | os.h | os.lib | BSD | Query a DNS server, using search options |
res_send | os.h | os.lib | BSD | Send a preformatted Internet domain name query |
select | sys/select.h,os.h | os.lib | BSD | Determine the status of one or more sockets, waiting if necessary, to perform synchronous I/O |
send | sys/socket.h,os.h | os.lib | BSD | Send data on a connected socket |
sendmsg | sys/socket.h,os.h | os.lib | BSD | Send a message on a socket |
sendto | sys/socket.h,os.h | os.lib | BSD | Send data to a specific destination |
setsockopt | sys/socket.h,os.h | os.lib | BSD | Set a socket option |
shutdown | sys/socket.h,os.h | os.lib | BSD | Disable sends or receives on a socket |
socket | sys/socket.h,os.h | os.lib | BSD | Create a new socket |
Function | Header | Library | Conformance | Description |
tolower | ctype.h | libc.lib | ANSI | Convert character to upper case |
toupper | ctype.h | libc.lib | ANSI | Convert character to lower case |
htonl | arpa/inet.h,os.h | BSD | Convert unsigned long from host to network byte order | |
htons | arpa/inet.h,os.h | BSD | Convert unsigned short from host to network byte order | |
ntohl | arpa/inet.h,os.h | BSD | Convert unsigned long from network to host byte order | |
ntohs | arpa/inet.h,os.h | BSD | Convert unsigned short from network to host byte order | |
atoi | stdlib.h | libc.lib | ANSI | Convert string to int |
atol | stdlib.h | libc.lib | ANSI | Convert string to long |
ecvt | stdlib.h | libc.lib | MSVC | Convert double number to string |
ecvtbuf | stdlib.h | libc.lib | Convert double number to string using buffer | |
fcvt | stdlib.h | libc.lib | MSVC | Convert floating-point number to string |
fcvtbuf | stdlib.h | libc.lib | Convert floating-point number to string using buffer | |
itoa | stdlib.h | libc.lib | MSVC | Convert integer to string |
ltoa | stdlib.h | libc.lib | MSVC | Convert long to string |
strtod | stdlib.h | libc.lib | ANSI | Convert string to double |
strtof | stdlib.h | libc.lib | ISO | Convert string to float |
strtol | stdlib.h | libc.lib | POSIX | Convert string to long |
strtoul | stdlib.h | libc.lib | POSIX | Convert string to unsigned long |
strtoll | stdlib.h | libc.lib | POSIX | Convert string to 64-bit integer |
strtoull | stdlib.h | libc.lib | POSIX | Convert string to unsigned 64-bit integer |
strtoimax | inttypes.h | libc.lib | POSIX | Convert string to largest integer type |
strtoumax | inttypes.h | libc.lib | POSIX | Convert string to largest unsigned integer type |
ultoa | stdlib.h | libc.lib | MSVC | Convert unsigned long to string |
atof | stdlib.h,math.h | libc.lib | ANSI | Convert string to float |
Function | Header | Library | Conformance | Description |
assert | assert.h | libc.lib | ANSI | Assert that expression if true, terminate the job if false |
errno | errno.h,stddef.h, os.h |
os.lib | ANSI | Return the current error number |
eof | io.h,os.h | os.lib | MSVC | Test for end of file |
panic | os.h | os.lib | Emergency shutdown | |
syslog | syslog.h,os.h | os.lib | POSIX | Log entry to syslog |
vsyslog | syslog.h,os.h | os.lib | Log entry to syslog using va_list | |
openlog | syslog.h,os.h | os.lib | POSIX | Configure syslog features for job |
closelog | syslog.h,os.h | os.lib | POSIX | Close logging |
setlogmask | syslog.h,os.h | os.lib | POSIX | Set log priority mask |
strerror | string.h,os.h | os.lib | ANSI | Get the system defined error message |
Function | Header | Library | Conformance | Description |
isalnum | ctype.h | libc.lib | ANSI | Test for alphanumeric character |
isalpha | ctype.h | libc.lib | ANSI | Test for alphabetic character |
iscntrl | ctype.h | libc.lib | ANSI | Test for control character |
isdigit | ctype.h | libc.lib | ANSI | Test for decimal digit |
isgraph | ctype.h | libc.lib | ANSI | Test for printable character except space |
isleadbyte | ctype.h | libc.lib | ANSI | Test for lead byte character in multi byte character set |
islower | ctype.h | libc.lib | ANSI | Test for lower case character |
isprint | ctype.h | libc.lib | ANSI | Test for printable character |
ispunct | ctype.h | libc.lib | ANSI | Test for punctuation character |
isspace | ctype.h | libc.lib | ANSI | Test for whitespace character |
isupper | ctype.h | libc.lib | ANSI | Test for upper case character |
isxdigit | ctype.h | libc.lib | ANSI | Test for hexadecimal digit |
Function | Header | Library | Conformance | Description |
acos | math.h | libc.lib | ANSI | Floating point arc cosine of x |
asin | math.h | libc.lib | ANSI | Floating point arc sine of x |
atan | math.h | libc.lib | ANSI | Floating point arc tangent of x |
atan2 | math.h | libc.lib | ANSI | Floating point arc tangentcof y/x |
ceil | math.h | libc.lib | ANSI | Floating point ceiling of x |
cos | math.h | libc.lib | ANSI | Floating point cosine of x |
cosh | math.h | libc.lib | ANSI | Floating point hyperbolic cosine of x |
exp | math.h | libc.lib | ANSI | Floating point exponent of x |
fabs | math.h | libc.lib | ANSI | Floating point absolute value of x |
floor | math.h | libc.lib | ANSI | Floating point floor of x |
fmod | math.h | libc.lib | ANSI | Floating point remainder of x/y |
frexp | math.h | libc.lib | ANSI | Split x into normalized fraction and power of 2 |
hypot | math.h | libc.lib | POSIX | Euclidean distance function |
isfinite | math.h | libc.lib | ANSI | Test for finite value |
isinf | math.h | libc.lib | ANSI | Test for infinite value |
isnan | math.h | libc.lib | ANSI | Test for a NaN |
ldexp | math.h | libc.lib | ANSI | The value of x * 2**n |
log | math.h | libc.lib | ANSI | Natural log of x |
log10 | math.h | libc.lib | ANSI | Log base 10 of x |
modf | math.h | libc.lib | ANSI | Split x into integral and fractional parts, each with the same sign as x |
pow | math.h | libc.lib | ANSI | The value of x**y |
sin | math.h | libc.lib | ANSI | Floating point sine of x |
sinh | math.h | libc.lib | ANSI | Floating point hyperbolic sine of x |
sqrt | math.h | libc.lib | ANSI | Floating point square root of x |
tan | math.h | libc.lib | ANSI | Floating point tangent of x |
tanh | math.h | libc.lib | ANSI | Floating point hyperbolic tangent of x |
abs | stdlib.h | libc.lib | ANSI | Absolute value of integer |
div | stdlib.h | libc.lib | ANSI | Divide signed integers giving quotient and remainder |
labs | stdlib.h | libc.lib | ANSI | Absolute value of long |
ldiv | stdlib.h | libc.lib | ANSI | Divide long integers giving quotient and remainder |
Function | Header | Library | Conformance | Description |
alloca | alloca.h | libc.lib | MSVC | Allocate memory on the stack |
calloc | stdlib.h,malloc.h, os.h |
os.lib | ANSI | Allocate memory block with size fill |
free | stdlib.h,malloc.h, os.h |
os.lib | ANSI | Free memory block |
getpagesize | unistd.h | os.lib | POSIX | Get memory page size |
malloc | stdlib.h,malloc.h, os.h |
os.lib | ANSI | Allocate memory block |
realloc | stdlib.h,malloc.h, os.h |
os.lib | ANSI | Re-size memory block |
mmap | stat/mman.h | libc.lib | POSIX | Map file into memory |
munmap | stat/mman.h | libc.lib | POSIX | Unmap file from memory |
msync | stat/mman.h | libc.lib | POSIX | Synchronize a file with mapped memory |
mprotect | stat/mman.h | libc.lib | POSIX | Set protection on a region of memory |
mallinfo | os.h | os.lib | Get heap allocation statistics | |
malloc_usable_size | stdlib.h,malloc.h, os.h |
os.lib | Returns the usable size of the allocation | |
vmlock | os.h | os.lib | Lock memory (NYI) | |
vmalloc | os.h | os.lib | Reserve and commit virtual memory | |
vmprotect | os.h | os.lib | Protect memory region | |
vmrealloc | os.h | os.lib | Reallocate virtual memory (NYI) | |
vmunlock | os.h | os.lib | Unlock memory (NYI) | |
vmfree | os.h | os.lib | Deallocate and decommit virtual memory | |
vmmap | os.h | os.lib | Map file into virtual memory | |
vmsync | os.h | os.lib | Synchronize a file with mapped memory |
Function | Header | Library | Conformance | Description |
memccpy | string.h,memory.h | libc.lib | MSVC | Copies characters until character or number of characters has been copied |
memchr | string.h,memory.h | libc.lib | POSIX | Return a pointer to the first occurrence, within a specified number of characters |
memcmp | string.h,memory.h | libc.lib | ANSI | Compare a specified number of characters from two memory locations |
memcpy | string.h,memory.h | libc.lib | ANSI | Copy characters from a buffer |
memicpy | string.h,memory.h | libc.lib | MSVC | Compare a specified number of characters from two memory locations without regard to case |
memmove | string.h,memory.h | libc.lib | ANSI | Copy a specified number of characters from one memory location to another |
memset | string.h,memory.h | libc.lib | ISO | Set a region of memory to a specified character |
Function | Header | Library | Conformance | Description |
strcasestr | string.h | libc.lib | GNU | Find the first occurrence of a string in another string ignoring case |
stpcpy | string.h | libc.lib | POSIX | Copy a string and return a pointer to the end of the result |
strcat | string.h | libc.lib | ANSI | Concatenate two strings |
strchr | string.h | libc.lib | ANSI | Find the first occurrence of a given character in a string |
strcmp | string.h | libc.lib | ANSI | Compare two strings |
strcpy | string.h | libc.lib | ANSI | Copy one string to another |
strcspn | string.h | libc.lib | ANSI | Find any one of a set of characters in a string |
strdup | string.h | libc.lib | MSVC | Duplicate a string |
stricmp | string.h | libc.lib | MSVC | Compare two strings without regard to case |
strlen | string.h | libc.lib | ANSI | Get the length of a string |
strlwr | string.h | libc.lib | MSVC | Convert a string to lower case |
strncat | string.h | libc.lib | ANSI | Concatenate the specified number of characters from one string to another |
strncmp | string.h | libc.lib | ANSI | Compare the specified number of characters in two strings |
strncpy | string.h | libc.lib | ANSI | Copy the specified number of characters from one string to another |
strnicmp | string.h | libc.lib | MSVC | Compare the specified number of characters in two strings without regard to case |
strnset | string.h | libc.lib | MSVC | Set the specified number of characters in a string to a given character |
strpbrk | string.h | libc.lib | ANSI | Find the first occurrence of a character from one string in another |
strrchr | string.h | libc.lib | ANSI | Find the last occurrence of a character in a string |
strrev | string.h | libc.lib | MSVC | Reverse a string |
strsep | string.h | libc.lib | BSD | Extract token from string |
strset | string.h | libc.lib | MSVC | Set all characters in a string to a given character |
strspn | string.h | libc.lib | ANSI | Find the first substring from a given character set in a string |
strstr | string.h | libc.lib | ANSI | Find the first occurrence of a string in another string |
strtok | string.h | libc.lib | ANSI | Find the next token in a string |
strtok_r | string.h | libc.lib | POSIX | Split strings into tokens |
strupr | string.h | libc.lib | MSVC | Convert a string to upper case |
strcasecmp | string.h | libc.lib | POSIX | Compare two strings without regard to case |
strncasecmp | string.h | libc.lib | POSIX | Compare the specified number of characters in two strings without regard to case |
regcomp | regex.h | libc.lib | POSIX | Compile regular expression |
regexec | regex.h | libc.lib | POSIX | Regular expression matching |
regerror | regex.h | libc.lib | POSIX | Get error message for regular expression |
regfree | regex.h | libc.lib | POSIX | Free regular expression |
Function | Header | Library | Conformance | Description |
clearerr | stdio.h | libc.lib | ANSI | Clear the error indicator for a stream |
fclose | stdio.h | libc.lib | ANSI | Close a stream |
fdopen | stdio.h | libc.lib | POSIX | Associate a stream with an open file handle |
feof | stdio.h | ANSI | Tests for end of file on a stream | |
ferror | stdio.h | ANSI | Tests for error on a stream | |
fflush | stdio.h | libc.lib | ANSI | Flush a stream |
fgetc | stdio.h | libc.lib | ANSI | Read a character from a stream |
fgetpos | stdio.h | libc.lib | ANSI | Get position indicator for a stream |
fgets | stdio.h | libc.lib | ANSI | Read a string from a stream |
fileno | stdio.h | ANSI | Gets the file handle associated with a stream | |
fopen | stdio.h | libc.lib | ANSI | Open a stream |
fprintf | stdio.h | libc.lib | ANSI | Write formatted data to a stream |
fputc | stdio.h | libc.lib | ANSI | Write a character to a stream |
fputs | stdio.h | libc.lib | ANSI | Write a string to a stream |
fread | stdio.h | libc.lib | ANSI | Read unformatted data from a stream |
fready | stdio.h | libc.lib | Check if input data is available | |
freopen | stdio.h | libc.lib | ANSI | Reassign a stream with a new file |
fscanf | stdio.h | libc.lib | ANSI | Read formatted data from a stream |
fseek | stdio.h | libc.lib | ANSI | Move file position to a given location |
fsetpos | stdio.h | libc.lib | ANSI | Set the position indicator of a stream |
ftell | stdio.h | libc.lib | ANSI | Get current file position |
fwrite | stdio.h | libc.lib | ANSI | Write unformatted data to a stream |
getc | stdio.h | ANSI | Read a character from a stream | |
getchar | stdio.h | ANSI | Read a character from stdin | |
gets | stdio.h | libc.lib | ANSI | Read a string from stdin |
perror | stdio.h | libc.lib | ANSI | Print string and error message to stderr |
pclose | stdio.h | libc.lib | POSIX | Close a pipe stream to or from a job |
popen | stdio.h | libc.lib | POSIX | Initiate pipe streams to or from a job |
printf | stdio.h | libc.lib | ANSI | Write formatted data to stdout |
putc | stdio.h | ANSI | Write a character to a stream | |
putchar | stdio.h | ANSI | Write a character to stdout | |
puts | stdio.h | libc.lib | ANSI | Write a string to stdout |
remove | stdio.h | libc.lib | ANSI | Delete a file |
rewind | stdio.h | libc.lib | ANSI | Move file pointer to beginning of stream |
scanf | stdio.h | libc.lib | ANSI | Read formatted data from stdin |
setbuf | stdio.h | libc.lib | ANSI | Control stream buffering |
setvbuf | stdio.h | libc.lib | ANSI | Control stream buffering and buffer size |
snprintf | stdio.h | libc.lib | ISO | Write formatted data to buffer |
sprintf | stdio.h | libc.lib | ANSI | Write formatted data to string |
sscanf | stdio.h | libc.lib | ANSI | Read formatted data from a string |
tempnam | stdio.h | libc.lib | POSIX | Create a name for a temporary file |
tmpfile | stdio.h | libc.lib | ANSI | Create a temporary file |
tmpnam | stdio.h | libc.lib | ANSI | Create a temporary file name |
ungetc | stdio.h | libc.lib | ANSI | Remove a character from a stream |
vfprintf | stdio.h | libc.lib | ANSI | Write formatted data to file using va_list |
vfscanf | stdio.h | libc.lib | ANSI | Read formatted data from a stream using va_list |
vprintf | stdio.h | libc.lib | ANSI | Write formatted data to stdout using va_list |
vscanf | stdio.h | libc.lib | ANSI | Read formatted data from stdin using va_list |
vsnprintf | stdio.h | libc.lib | ISO | Write formatted data to buffer using va_list |
vsprintf | stdio.h | libc.lib | ANSI | Write formatted data to string using va_list |
vsscanf | stdio.h | libc.lib | ANSI | Read formatted data from string using va_list |
rename | stdio.h,os.h | os.lib | ANSI | Rename a file |
Function | Header | Library | Conformance | Description |
gettimeofday | sys/time.h,os.h | os.lib | POSIX | Get time |
settimeofday | os.h | os.lib | Set time | |
asctime | time.h | libc.lib | ANSI | Convert the time to a string |
ctime | time.h | libc.lib | ANSI | Convert a time value to a string and adjust for local time zone settings |
difftime | time.h | ANSI | Compute difference between two times | |
gmtime | time.h | libc.lib | ANSI | Convert time from type time_t to struct tm |
localtime | time.h | libc.lib | ANSI | Convert time from type time_t to struct tm with local correction |
mktime | time.h | libc.lib | ANSI | Convert time to calendar value |
strftime | time.h | libc.lib | ANSI | Convert the time and date information into a formatted string |
clock | time.h,os.h | os.lib | ANSI | Return the processor time since the beginning of execution |
time | time.h,os.h | os.lib | ANSI | Return the current calendar time |
Function | Header | Library | Conformance | Description |
getuid | unistd.h,os.h | os.lib | POSIX | Get real user id |
getgid | unistd.h,os.h | os.lib | POSIX | Get real group id |
setuid | unistd.h,os.h | os.lib | POSIX | Set real user id |
setgid | unistd.h,os.h | os.lib | POSIX | Set real group id |
geteuid | unistd.h,os.h | os.lib | POSIX | Get effective user id |
getegid | unistd.h,os.h | os.lib | POSIX | Get effective group id |
seteuid | unistd.h,os.h | os.lib | POSIX | Set effective user id |
setegid | unistd.h,os.h | os.lib | POSIX | Set effective group id |
getgroups | unistd.h,os.h | os.lib | POSIX | Get supplementary group ids |
setgroups | grp.h,os.h | os.lib | SYSV | Set supplementary group ids |
initgroups | grp.h,os.h | os.lib | BSD | Initialize supplementary group access list |
getgrnam | grp.h,os.h | os.lib | POSIX | Search group database for a name |
getgrgid | grp.h,os.h | os.lib | POSIX | Get group database entry for a group id |
getpwnam | pwd.h,os.h | os.lib | POSIX | Search user database for a name |
getpwuid | pwd.h,os.h | os.lib | POSIX | Get user database entry for a user id |
Function | Header | Library | Conformance | Description |
initstate | stdlib.h | libc.lib | BSD | Initialize state array for use by random() |
rand | stdlib.h | libc.lib | ANSI | Generate a pseudo random number |
random | stdlib.h | libc.lib | BSD | Generate random number using a non-linear additive feedback random number generator |
setstate | stdlib.h | libc.lib | BSD | Change the state array used by random() |
srand | stdlib.h | libc.lib | ANSI | Set random number seed |
srandom | stdlib.h | libc.lib | BSD | Initialize the random number generator based on the given seed |
srandomdev | stdlib.h | libc.lib | BSD | Initialize the random number generator based on system generated seed |
Function | Header | Library | Conformance | Description |
clear_bit | bitops.h | libc.lib | Clear bit in bit vector | |
find_first_zero_bit | bitops.h | libc.lib | Find first zero bit in bit vector | |
find_next_zero_bit | bitops.h | libc.lib | Find next zero bit in bit vector after position | |
set_bit | bitops.h | libc.lib | Set bit in bit vector | |
set_bits | bitops.h | libc.lib | Set a number of bits in bit vector | |
test_bit | bitops.h | libc.lib | Test bit in bit vector | |
hash_alloc | hash.h | libc.lib | Allocate new hash table | |
hash_foreach | hash.h | libc.lib | Iterate over all elements in hash table | |
hash_insert | hash.h | libc.lib | Insert element in hash table | |
hash_lookup | hash.h | libc.lib | Lookup element in hash table | |
hash_size | hash.h | libc.lib | Return number of elements in hash table | |
find_property | inifile.h | libc.lib | Find named property in section | |
find_section | inifile.h | libc.lib | Find named section | |
free_properties | inifile.h | libc.lib | Release sections | |
get_numeric_property | inifile.h | libc.lib | Get numeric value for property in section | |
get_property | inifile.h | libc.lib | Get value for property in section | |
get_section_size | inifile.h | libc.lib | Return number of properties in section | |
list_properties | inifile.h | libc.lib | List properties to stdout | |
parse_properties | inifile.h | libc.lib | Parse properties in string buffer | |
read_properties | inifile.h | libc.lib | Read properties from file | |
rmap_alloc | rmap.h | libc.lib | Allocate free region in resource map | |
rmap_alloc_align | rmap.h | libc.lib | Allocate free aligned region in resource map | |
rmap_free | rmap.h | libc.lib | Free region in resource map | |
rmap_init | rmap.h | libc.lib | Initialize resource map | |
rmap_reserve | rmap.h | libc.lib | Reserve a specified region in resource map | |
rmap_status | rmap.h | libc.lib | Determine whether a region is free or allocated in resource map | |
bsearch | stdlib.h | libc.lib | ANSI | Perform a binary search on an array |
get_num_option | stdlib.h | libc.lib | Get numeric option from option string | |
get_option | stdlib.h | libc.lib | Get option in option string | |
max | stdlib.h | MSVC | Return maximum of a and b | |
min | stdlib.h | MSVC | Return minimum of a and b | |
qsort | stdlib.h | libc.lib | ANSI | Perform a quick sort on an array |
crypt | unistd.h,os.h | os.lib | POSIX | Encrypt string |
crypt_r | os.h | os.lib | GNU | Encrypt string (reentrant) |
getopt | unistd.h,getopt.h | libc.lib | POSIX | Parse command options |
getopt_long | getopt.h | libc.lib | GNU | Parse long command options |
dirname | libgen.h | libc.lib | POSIX | Get the parent directory name of a file pathname |
basename | libgen.h | libc.lib | POSIX | Get the last component of a pathname |
Function | Header | Library | Conformance | Description |
dbgbreak | os.h | os.lib | Signal debugger to make a breakpoint exception | |
exitos | os.h | os.lib | Shutdown operating system | |
syscall | os.h | os.lib | Call kernel function | |
sysinfo | os.h | os.lib | Return system information about cpu, memory and load | |
va_arg | stdarg.h | ANSI | Get next argument in argument list | |
va_end | stdarg.h | ANSI | Reset argument list | |
va_start | stdarg.h | ANSI | Set argument list to start of optional arguments | |
offsetof | stddef.h | ANSI | Retrieve the offset of a member from the beginning of its parent structure | |
getenv | stdlib.h | os.lib | POSIX | Get value of an environment variable |
setenv | stdlib.h | os.lib | POSIX | Add or change environment variable |
unsetenv | stdlib.h | os.lib | POSIX | Remove an environment variable |
putenv | stdlib.h | os.lib | POSIX | Change or add a value to an environment |
uname | sys/utsname.h, os.h |
os.lib | POSIX | Get name of the current system |