Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include <sys/types.h>
#ifndef __MINGW32__
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#include "socket.h"
#include "ndelay.h"
#include <errno.h>
int socket_tcp4(void) {
int s;
#ifdef SOCK_NONBLOCK
if ((s=socket(PF_INET,SOCK_STREAM|SOCK_NONBLOCK,IPPROTO_TCP))>-1 || errno!=EINVAL) return s;
#endif
s=socket_tcp4b();
if (s==-1) return -1;
if (ndelay_on(s) == -1) { close(s); return -1; }
return s;
}