#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>

int main() {
	int fds[2];
	int ret;
	struct sockaddr_un name;
	socklen_t namelen;

	memset(&name, 0, sizeof(struct sockaddr_un));
	ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fds);
	if (ret < 0) {
		perror("socketpair");
		return 1;
	}
	
	namelen = sizeof(struct sockaddr_un);
	ret = getsockname(fds[0], (struct sockaddr*) &name, &namelen);
	if (ret < 0) {
		perror("getsockname");
		return 1;
	}

	printf("got %d expected %d\n", name.sun_family, AF_UNIX);
	return 0;
}