#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" int socket_mcttl4(int s,char TTL) { return winsock2errno(setsockopt(s,IPPROTO_IP,IP_MULTICAST_TTL,&TTL,sizeof TTL)); }