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//
// netdb.h
//
// Definitions for network database operations
//
// Copyright (C) 2002 Michael Ringgaard. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright 
//    notice, this list of conditions and the following disclaimer.  
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.  
// 3. Neither the name of the project nor the names of its contributors
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission. 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
// SUCH DAMAGE.
// 

#if _MSC_VER > 1000
#pragma once
#endif

#ifndef NETDB_H
#define NETDB_H

#include <sys/types.h>

#ifndef _IN_PORT_T_DEFINED
#define _IN_PORT_T_DEFINED
typedef unsigned short in_port_t;
#endif

#ifndef _IN_ADDR_T_DEFINED
#define _IN_ADDR_T_DEFINED
typedef unsigned long in_addr_t;
#endif

#ifndef _HOSTENT_DEFINED
#define _HOSTENT_DEFINED

struct hostent {
  char *h_name;        // Official name of host
  char **h_aliases;    // Alias list
  short h_addrtype;    // Host address type
  short h_length;      // Length of address
  char **h_addr_list;  // List of addresses
};

#define h_addr h_addr_list[0]

#endif

#ifndef _PROTOENT_DEFINED
#define _PROTOENT_DEFINED

struct protoent {
  char *p_name;
  char **p_aliases;
  short p_proto;
};

#endif

#ifndef _SERVENT_DEFINED
#define _SERVENT_DEFINED

struct servent {
  char *s_name;
  char **s_aliases;
  short s_port;
  char *s_proto;
};

#endif

#define HOST_NOT_FOUND  82
#define TRY_AGAIN       83
#define NO_RECOVERY     84
#define NO_DATA         85

#ifdef  __cplusplus
extern "C" {
#endif

osapi struct hostent *gethostbyname(const char *name);
osapi struct hostent *gethostbyaddr(const char *addr, int len, int type);

osapi struct protoent *getprotobyname(const char *name);
osapi struct protoent *getprotobynumber(int proto);

osapi struct servent *getservbyname(const char *name, const char *proto);
osapi struct servent *getservbyport(int port, const char *proto);

#define hstrerror strerror
#define h_errno errno

#ifdef  __cplusplus
}
#endif

#endif