utils-std

sendfile_linux.c (461B)

// utils-std: Collection of commonly available Unix tools
// SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
// SPDX-License-Identifier: MPL-2.0
// Because that's what our utilities will use :)
#define _POSIX_C_SOURCE 200809L
#include <sys/sendfile.h>
int
main(void)
{
	int fd_in = 0;
	int fd_out = 1;
	off_t *offset = (off_t)0;
	size_t len = 42;
	ssize_t ret = sendfile(fd_out, fd_in, offset, len);
	return ret > 0;
}