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explain_telldir_or_die(3) Library Functions Manual explain_telldir_or_die(3) NAME explain_telldir_or_die - current location in directory and report er- rors SYNOPSIS #include <libexplain/telldir.h> off_t explain_telldir_or_die(DIR *dir); off_t explain_telldir_on_error(DIR *dir); DESCRIPTION The explain_telldir_or_die function is used to call the telldir(3) sys- tem call. On failure an explanation will be printed to stderr, obtained from the explain_telldir(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_telldir_on_error function is used to call the telldir(3) system call. On failure an explanation will be printed to stderr, ob- tained from the explain_telldir(3) function, but still returns to the caller. dir The dir, exactly as to be passed to the telldir(3) system call. RETURN VALUE The explain_telldir_or_die function only returns on success, see telldir(3) for more information. On failure, prints an explanation and exits, it does not return. The explain_telldir_on_error function always returns the value return by the wrapped telldir(3) system call. EXAMPLE The explain_telldir_or_die function is intended to be used in a fashion similar to the following example: off_t result = explain_telldir_or_die(dir); SEE ALSO telldir(3) return current location in directory stream explain_telldir(3) explain telldir(3) errors exit(2) terminate the calling process COPYRIGHT libexplain version 1.3 Copyright (C) 2009 Peter Miller explain_telldir_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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