#include "config.h"
#include <stdio.h>
#include <string.h>

/**
 * fdpass - routines to pass a file descriptor over a socket.
 *
 * This code handles all the hairy details of fd passing.
 *
 * License: CC0 (Public domain)
 * Maintainer: Rusty Russell <rusty@rustcorp.com.au>
 *
 * Example:
 *	// Outputs hello!
 *	#include <ccan/fdpass/fdpass.h>
 *	#include <sys/socket.h>
 *	#include <sys/un.h>
 *	#include <stdio.h>
 *	#include <stdlib.h>
 *	#include <unistd.h>
 *	
 *	static void child(int sockfd)
 *	{
 *		char buffer[6];
 *		int newfd = fdpass_recv(sockfd);
 *		read(newfd, buffer, sizeof(buffer));
 *		printf("%.*s\n", (int)sizeof(buffer), buffer);
 *		exit(0);
 *	}
 *	
 *	static void parent(int sockfd)
 *	{
 *		int pfds[2];
 *	
 *		pipe(pfds);
 *		fdpass_send(sockfd, pfds[0]);
 *		close(pfds[0]);
 *		write(pfds[1], "hello!", 6);
 *		exit(0);
 *	}
 *	
 *	int main(void)
 *	{
 *		int sv[2];
 *	
 *		socketpair(AF_UNIX, SOCK_STREAM, 0, sv);
 *		if (fork() == 0)
 *			child(sv[0]);
 *		else
 *			parent(sv[1]);
 *	}
 */
int main(int argc, char *argv[])
{
	/* Expect exactly one argument */
	if (argc != 2)
		return 1;

	if (strcmp(argv[1], "depends") == 0)
		return 0;

	return 1;
}