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explain_fpurge_or_die(3) Library Functions Manual explain_fpurge_or_die(3) NAME explain_fpurge_or_die - purge a stream and report errors SYNOPSIS #include <libexplain/fpurge.h> void explain_fpurge_or_die(FILE *fp); int explain_fpurge_on_error(FILE *fp); DESCRIPTION The explain_fpurge_or_die function is used to call the fpurge(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_fpurge(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_fpurge_on_error function is used to call the fpurge(3) sys- tem call. On failure an explanation will be printed to stderr, obtained from the explain_fpurge(3) function, but still returns to the caller. fp The fp, exactly as to be passed to the fpurge(3) system call. RETURN VALUE The explain_fpurge_or_die function only returns on success, see fpurge(3) for more information. On failure, prints an explanation and exits, it does not return. The explain_fpurge_on_error function always returns the value return by the wrapped fpurge(3) system call. EXAMPLE The explain_fpurge_or_die function is intended to be used in a fashion similar to the following example: explain_fpurge_or_die(fp); SEE ALSO fpurge(3) purge a stream explain_fpurge(3) explain fpurge(3) errors exit(2) terminate the calling process COPYRIGHT libexplain version 1.3 Copyright (C) 2010 Peter Miller explain_fpurge_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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