freebsd-nq/contrib/mdocml/test-cmsg.c

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2017-02-19 17:41:20 +00:00
#include <stddef.h>
#include <sys/socket.h>
int
main(void)
{
struct msghdr msg;
msg.msg_control = NULL;
msg.msg_controllen = 0;
return CMSG_FIRSTHDR(&msg) != NULL;
}