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sock.c
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sock.c
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/*
* Write 1.0.0
* Copyright (C) 1997 James P. Howard, II <jh@jameshoward.us>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <ctype.h>
#include <errno.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/types.h>
#include "write.h"
FILE *openclient(char *server, int port, int proto)
{
struct hostent *serv;
struct sockaddr_in addr;
int s;
if (!(serv = gethostbyname(server))) {
if (net == 0)
herror("net");
return NULL;
}
memcpy(&addr.sin_addr, serv->h_addr, serv->h_length);
addr.sin_family = serv->h_addrtype;
addr.sin_port = port;
if ((s = socket(addr.sin_family, proto, 0)) < 0) {
if (net == 0)
perror("net");
return NULL;
}
if (connect(s, (struct sockaddr *)&addr, sizeof(struct sockaddr))) {
if (net == 0)
perror("net");
return NULL;
}
return fdopen(s, "a+");
}