help with fseek Post: 302344445

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LEARN ABOUT LINUX

fseeko

FSEEKO(3)						     Linux Programmer's Manual							 FSEEKO(3)

NAME

       fseeko, ftello - seek to or report file position

SYNOPSIS

       #include <stdio.h>

       int fseeko(FILE *stream, off_t offset, int whence);

       off_t ftello(FILE *stream);

DESCRIPTION

       The fseeko() and ftello() functions are identical to fseek(3) and ftell(3) (see fseek(3)), respectively, except that the offset argument of
       fseeko() and the return value of ftello() is of type off_t instead of long.

       On many architectures both off_t and long are 32-bit types, but compilation with

	      #define _FILE_OFFSET_BITS 64

       will turn off_t into a 64-bit type.

RETURN VALUE

       On successful completion, fseeko() returns 0, while ftello() returns the current offset.  Otherwise, -1 is returned and	errno  is  set	to
       indicate the error.

ERRORS

       See the ERRORS in fseek(3).

CONFORMING TO

       SUSv2, POSIX.1-2001.

NOTES

       These functions are found on System V-like systems.  They are not present in libc4, libc5, glibc 2.0 but are available since glibc 2.1.

SEE ALSO

       fseek(3)

COLOPHON

       This  page is part of release 3.27 of the Linux man-pages project.  A description of the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

								    2001-11-05								 FSEEKO(3)