fseek

StandardCLibrary

int fseek( FILE *stream, long offset, int origin )

FILE *fp; /* stream pointer */

long offset; /* seek offset amount */

int origin; /* origin specifier */

Synopsis

#include "stdio.h"

The fseek function moves the file pointer for the file associated with fp to a location offset bytes a position specified by origin

Parameters

fp is an open stream pointer. offset is a long value. origin is one of the following (defined in stdio.h):

Name	Value	Meaning
SEEK_SET	0	seek from the beginning of the file
SEEK_CUR	1	seek from the current location in the file
SEEK_END	2	seek from the end of the file

Return Value

fseek returns 0 if successful, and EOF (-1) if not.

Comments

Seeking past the end-of file is legal.