libowfat/socket/socket_mcjoin4.c
leitner 82a4ae868d broken lose32 port using mingw (don't use!!!)
initial Solaris /dev/poll port
2003-11-06 20:47:59 +00:00

19 lines
458 B
C

#include <sys/types.h>
#include <sys/param.h>
#ifndef __MINGW32__
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#include "windoze.h"
#include "socket.h"
#include "byte.h"
int socket_mcjoin4(int s,const char ip[4],const char _interface[4])
{
struct ip_mreq opt;
byte_copy(&opt.imr_multiaddr.s_addr,4,ip);
byte_copy(&opt.imr_interface.s_addr,4,_interface);
return winsock2errno(setsockopt(s,IPPROTO_IP,IP_ADD_MEMBERSHIP,&opt,sizeof opt));
}