setsockopt        406 ext/socket/socket.c     if (setsockopt(fptr->fd, level, option, v, vlen) < 0)
setsockopt       1309 ext/socket/socket.c 	    setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
setsockopt       2632 win32/win32.c  	r = setsockopt(TO_SOCKET(s), level, optname, optval, optlen);