explain_endgrent_or_die man page
explain_endgrent_or_die — finish group file accesses and report errors
The explain_endgrent_or_die function is used to call the endgrent(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_endgrent(3) function, and then the process terminates by calling
The explain_endgrent_on_error function is used to call the endgrent(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_endgrent(3) function, but still returns to the caller.
The explain_endgrent_or_die function only returns on success, see endgrent(3) for more information. On failure, prints an explanation and exits, it does not return.
The explain_endgrent_on_error function always returns the value return by the wrapped endgrent(3) system call.
The explain_endgrent_or_die function is intended to be used in a fashion similar to the following example:
finish group file accesses
explain endgrent(3) errors
terminate the calling process
libexplain version 1.4
Copyright (C) 2013 Peter Miller