SIMPLE SOLUTIONS

EXPLAIN_PUTW_OR_DIE - reference manual online

Output a word (int) and report errors.

Chapter
explain_putw_or_die(3)               Library Functions Manual              explain_putw_or_die(3)

NAME explain_putw_or_die - output a word (int) and report errors
SYNOPSIS #include <libexplain/putw.h> 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 informa‐ tion. 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 fol‐ lowing example: explain_putw_or_die(value, fp);
SEE ALSO putw(3) output a word (int) explain_putw(3) explain putw(3) errors exit(2) terminate the calling process
explain_putw_or_die(3)
This manual Reference Other manuals
explain_putw_or_die(3) referred by explain(3) | explain_putw(3)
refer to _exit(2) | explain_putw(3) | getw(3)