minix/lib/libc/sys-minix/lseek.c

24 lines
381 B
C
Raw Normal View History

#include <sys/cdefs.h>
#include "namespace.h"
#include <lib.h>
#include <unistd.h>
#ifdef __weak_alias
__weak_alias(lseek, _lseek)
#endif
PUBLIC off_t lseek(fd, offset, whence)
int fd;
off_t offset;
int whence;
{
message m;
m.m2_i1 = fd;
m.m2_l1 = offset;
m.m2_i2 = whence;
if (_syscall(VFS_PROC_NR, LSEEK, &m) < 0) return( (off_t) -1);
return( (off_t) m.m2_l1);
}