explain_ge...ame_or_die(3) Library Functions Manual explain_ge...ame_or_die(3) NAME explain_gethostname_or_die - get/set hostname and report errors SYNOPSIS #include <libexplain/gethostname.h> void explain_gethostname_or_die(char *data, size_t data_size); intexplain_gethostname_on_error(char *data, size_t data_size); DESCRIPTION The explain_gethostname_or_die function is used to call the gethostname(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_gethostname(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_gethostname_on_error function is used to call the gethost- name(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_gethostname(3) function, but still returns to the caller. data The data, exactly as to be passed to the gethostname(2) system call. data_size The data_size, exactly as to be passed to the gethostname(2) system call. RETURN VALUE The explain_gethostname_or_die function only returns on success, see geth- ostname(2) for more information. On failure, prints an explanation and ex- its, it does not return. The explain_gethostname_on_error function always returns the value return by the wrapped gethostname(2) system call. EXAMPLE The explain_gethostname_or_die function is intended to be used in a fashion similar to the following example: explain_gethostname_or_die(data, data_size); SEE ALSO gethostname(2) get/set hostname explain_gethostname(3) explain gethostname(2) errors exit(2) terminate the calling process COPYRIGHT libexplain version 1.3 Copyright (C) 2009 Peter Miller explain_ge...ame_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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