debian man page for explain_getw_or_die

explain_getw_or_die(3)					     Library Functions Manual					    explain_getw_or_die(3)

NAME
       explain_getw_or_die - input a word (int) and report errors

SYNOPSIS
       #include <libexplain/getw.h>
       int explain_getw_or_die(FILE *fp);
       int explain_getw_on_error(FILE *fp);

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

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

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

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

       The explain_getw_on_error function always returns the value return by the wrapped getw(3) system call.

EXAMPLE
       The explain_getw_or_die function is intended to be used in a fashion similar to the following example:
	      int result = explain_getw_or_die(fp);

SEE ALSO
       getw(3) input a word (int)

       explain_getw(3)
	       explain getw(3) errors

       exit(2) terminate the calling process

COPYRIGHT
       libexplain version 0.52
       Copyright (C) 2010 Peter Miller

															    explain_getw_or_die(3)