NAME

seek − change file offset

SYNOPSIS

­#include <u.h>
­#include <libc.h>

vlong seek(int fd, vlong n, int type)

DESCRIPTION

­Seek sets the offset for the file associated with ­fd as follows:

If ­type is 0, the offset is set to ­n bytes. 

If ­type is 1, the pointer is set to its current location plus n.

If ­type is 2, the pointer is set to the size of the file plus n.

The new file offset value is returned. 

Seeking in a directory is not allowed.  Seeking in a pipe is a no-op. 

SOURCE

­/sys/src/libc/9syscall

SEE ALSO

intro(2), open(2)

DIAGNOSTICS

Sets errstr.

Plan 9  —  December 11, 1999