void explain_putw_or_die(int value, FILE *fp);
int explain_putw_on_error(int value, FILE *fp);
DESCRIPTION
The explain_putw_or_die function is used to call the
putw(3) system call. On failure an explanation will be printed to
stderr, obtained from the explain_putw(3) function, and
then the process terminates by calling exit(EXIT_FAILURE).
The explain_putw_on_error function is used to call the
putw(3) system call. On failure an explanation will be printed to
stderr, obtained from the explain_putw(3) function, but
still returns to the caller.
value
The value, exactly as to be passed to the putw(3) system call.
fp
The fp, exactly as to be passed to the putw(3) system call.
RETURN VALUE
The explain_putw_or_die function only returns on success, see
putw(3) for more information. On failure, prints an explanation and
exits, it does not return.
The explain_putw_on_error function always returns the value return
by the wrapped putw(3) system call.
EXAMPLE
The explain_putw_or_die function is intended to be used in a
fashion similar to the following example: