debian man page for explain_fseek_or_die

explain_fseek_or_die(3) 				     Library Functions Manual					   explain_fseek_or_die(3)

NAME
       explain_fseek_or_die - reposition a stream and report errors

SYNOPSIS
       #include <libexplain/fseek.h>
       void explain_fseek_or_die(FILE *fp, long offset, int whence);
       int explain_fseek_on_error(FILE *fp, long offset, int whence);

DESCRIPTION
       The  explain_fseek_or_die  function is used to call the fseek(3) system call. On failure an explanation will be printed to stderr, obtained
       from the explain_fseek(3) function, and then the process terminates by calling exit(EXIT_FAILURE).

       The explain_fseek_on_error function is used to call the fseek(3) system call. On failure an explanation will be printed to stderr, obtained
       from the explain_fseek(3) function, but still returns to the caller.

       fp      The fp, exactly as to be passed to the fseek(3) system call.

       offset  The offset, exactly as to be passed to the fseek(3) system call.

       whence  The whence, exactly as to be passed to the fseek(3) system call.

RETURN VALUE
       The  explain_fseek_or_die function only returns on success, see fseek(3) for more information. On failure, prints an explanation and exits,
       it does not return.

       The explain_fseek_on_error function always returns the value return by the wrapped fseek(3) system call.

EXAMPLE
       The explain_fseek_or_die function is intended to be used in a fashion similar to the following example:
	      explain_fseek_or_die(fp, offset, whence);

SEE ALSO
       fseek(3)
	       reposition a stream

       explain_fseek(3)
	       explain fseek(3) errors

       exit(2) terminate the calling process

COPYRIGHT
       libexplain version 0.52
       Copyright (C) 2010 Peter Miller

															   explain_fseek_or_die(3)