/*
 * Sample sendpath() code. It should mainly be used for sockets.
 */

#include <linux/unistd.h>
#include <sys/sendfile.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>

#define __NR_sendpath 223

_syscall4 (int, sendpath, int, out_fd, char *, path, off_t *, off, size_t, size)

int main (int argc, char **argv)
{
	int out_fd;
	int ret;

	out_fd = open("./tmpfile", O_RDWR|O_CREAT|O_TRUNC, 0700);
	ret = sendpath(out_fd, "/usr/include/unistd.h", NULL, 300);

	printf("sendpath wrote %d bytes into ./tmpfile.\n", ret);
	return 0;
}