LLSEEK(2) Linux Programmer's Manual LLSEEK(2)
NAME
_llseek - reposition read(2,n,1 builtins)/write(1,2) file(1,n) offset
SYNOPSIS
#include <unistd.h>
#include <linux/unistd.h>
_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, loff_t *, res,
uint, wh);
int _llseek(unsigned int fd, unsigned long offset_high, unsigned long
offset_low, loff_t *result, unsigned int whence);
DESCRIPTION
The _llseek function repositions the offset of the file(1,n) descriptor fd
to (offset_high<<32) | offset_low bytes relative to the beginning of
the file(1,n), the current position in(1,8) the file(1,n), or the end of the file(1,n),
depending on whether whence is SEEK_SET, SEEK_CUR, or SEEK_END, respec-
tively. It returns the resulting file(1,n) position in(1,8) the argument result.
RETURN VALUE
Upon successful completion, _llseek returns 0. Otherwise, a value of -1
is returned and errno is set(7,n,1 builtins) to indicate the error.
ERRORS
EBADF fd is not an open(2,3,n) file(1,n) descriptor.
EFAULT Problem with copying results to user space.
EINVAL whence is invalid.
CONFORMING TO
This function is Linux-specific, and should not be used in(1,8) programs
intended to be portable.
SEE ALSO
lseek(2)
Linux 1.2.9 1995-06-10 LLSEEK(2)