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/* $OpenBSD: __syscall.c,v 1.4 2003/11/04 07:28:05 mickey Exp $ */
/*
* Written by Michael Shalayeff <mickey@openbsd.org> 2003 Public Domain.
*/
#include <sys/types.h>
#include <sys/syscall.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <err.h>
int
main(void)
{
extern off_t __syscall();
off_t off;
int fd;
if ((fd = open("/etc/passwd", O_RDONLY)) < 0)
err(1, "/etc/passwd");
off = __syscall((u_int64_t)SYS_lseek, fd, 0, (off_t)1, SEEK_SET);
if (off < 0)
err(1, "lseek");
off = __syscall((u_int64_t)SYS_lseek, fd, 0, (off_t)0, SEEK_CUR);
if (off != 1)
errx(1, "lseek: wrong position %llu", off);
return 0;
}
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