# PXFFTELL

POSIX Subroutine: Returns the relative position in bytes from the beginning of the file.

## Module

USE IFPOSIX

CALL PXFFTELL (lunit,ioffset,ierror)

lunit | (Input) INTEGER(4). A Fortran logical unit.
ioffset | (Output) INTEGER(4). The returned relative position in bytes from the beginning of the file.
ierror | (Output) INTEGER(4). The error status.

If successful, ierror is set to zero; otherwise, an error code.

Parent topic: POSIX* Library Routines