/* $Id: socket.c 1.1 1995/01/01 07:11:14 cthuang Exp $ * * This module has been modified by Radim Kolar for OS/2 emx */ /*********************************************************************** module: socket.c program: popclient SCCS ID: @(#)socket.c 1.5 4/1/94 programmer: Virginia Tech Computing Center compiler: DEC RISC C compiler (Ultrix 4.1) environment: DEC Ultrix 4.3 description: UNIX sockets code. ***********************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include int Socket(const char *host, int clientPort) { int sock; unsigned long inaddr; struct sockaddr_in ad; struct hostent *hp; memset(&ad, 0, sizeof(ad)); ad.sin_family = AF_INET; inaddr = inet_addr(host); if (inaddr != INADDR_NONE) memcpy(&ad.sin_addr, &inaddr, sizeof(inaddr)); else { hp = gethostbyname(host); if (hp == NULL) return -1; memcpy(&ad.sin_addr, hp->h_addr, hp->h_length); } ad.sin_port = htons(clientPort); sock = socket(AF_INET, SOCK_STREAM, 0); if (sock < 0) return sock; if (connect(sock, (struct sockaddr *)&ad, sizeof(ad)) < 0) return -1; return sock; }