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explain_endgrent_or_die(3) Library Functions Manual explain_endgrent_or_die(3) NAME explain_endgrent_or_die - finish group file accesses and report errors SYNOPSIS #include <libexplain/endgrent.h> void explain_endgrent_or_die(void); void explain_endgrent_on_error(void); DESCRIPTION The explain_endgrent_or_die function is used to call the endgrent(3) system call. On failure an explanation will be printed to stderr, ob- tained from the explain_endgrent(3) function, and then the process ter- minates by calling exit(EXIT_FAILURE). The explain_endgrent_on_error function is used to call the endgrent(3) system call. On failure an explanation will be printed to stderr, ob- tained from the explain_endgrent(3) function, but still returns to the caller. RETURN VALUE The explain_endgrent_or_die function only returns on success, see end- grent(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. EXAMPLE The explain_endgrent_or_die function is intended to be used in a fash- ion similar to the following example: explain_endgrent_or_die(); SEE ALSO endgrent(3) finish group file accesses explain_endgrent(3) explain endgrent(3) errors exit(2) terminate the calling process COPYRIGHT libexplain version 1.3 Copyright (C) 2013 Peter Miller explain_endgrent_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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