SIMPLE SOLUTIONS

EXPLAIN_GETW_OR_DIE - reference manual online

Input a word (int) and report errors.

Chapter
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 informa‐ tion. 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 fol‐ lowing 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
explain_getw_or_die(3)
This manual Reference Other manuals
explain_getw_or_die(3) referred by explain(3) | explain_getw(3)
refer to _exit(2) | explain_getw(3) | getw(3)