NAME

seek − change file offset

SYNOPSIS

include "sys.m";
sys := load Sys Sys->PATH;
 seek:  fn(fd: ref FD, off, start: int): int;

DESCRIPTION

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

If ­start is Sys->SEEKSTART, the offset is set to ­off bytes. 

If ­start is Sys->SEEKRELA, the pointer is set to its current location plus off.

If ­start is Sys->SEEKEND, the pointer is set to the size of the file plus off.

The new file offset value is returned. 

Seeking in a directory is not allowed. 

SEE ALSO

sys-intro(2), sys-open(2), bufio(2),

Plan 9  —  June 29, 2000