FSEEK(3S)               GENIX Programmer's Manual               FSEEK(3S)



      NAME
           fseek, ftell, rewind - reposition a stream

      SYNOPSIS
           #include <stdio.h>

           fseek(stream, offset, ptrname)
           FILE *stream;
           long offset;

           long ftell(stream)
           FILE *stream;

           rewind(stream)

      DESCRIPTION
           Fseek sets the position of the next input or output operation on the
           stream.   The  new  position  is at the signed distance offset bytes
           from the beginning, the current position, or the end  of  the  file,
           according as ptrname has the value 0, 1, or 2.

           Fseek undoes any effects of ungetc(3).

           Ftell returns the current value of the offset relative to the begin-
           ning  of  the file associated with the named stream.  It is measured
           in bytes on UNIX; on some other systems it is a  magic  cookie,  and
           the only foolproof way to obtain an offset for fseek.

           Rewind(stream) is equivalent to fseek(stream, 0L, 0).

      SEE ALSO
           lseek(2), fopen(3)

      DIAGNOSTICS
           Fseek returns -1 for improper seeks.




















      Printed 11/16/83                                                        1