debian man page for explain_fileno_or_die

Query: explain_fileno_or_die

OS: debian

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

explain_fileno_or_die(3)				     Library Functions Manual					  explain_fileno_or_die(3)

NAME
explain_fileno_or_die - check and reset stream status and report errors
SYNOPSIS
#include <libexplain/fileno.h> int explain_fileno_or_die(FILE *fp); int explain_fileno_on_error(FILE *fp);
DESCRIPTION
The explain_fileno_or_die function is used to call the fileno(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_fileno(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_fileno_on_error function is used to call the fileno(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_fileno(3) function, but still returns to the caller. fp The fp, exactly as to be passed to the fileno(3) system call.
RETURN VALUE
The explain_fileno_or_die function only returns on success, see fileno(3) for more information. On failure, prints an explanation and exits, it does not return. The explain_fileno_on_error function always returns the value return by the wrapped fileno(3) system call.
EXAMPLE
The explain_fileno_or_die function is intended to be used in a fashion similar to the following example: explain_fileno_or_die(fp);
SEE ALSO
fileno(3) check and reset stream status explain_fileno(3) explain fileno(3) errors exit(2) terminate the calling process
COPYRIGHT
libexplain version 0.52 Copyright (C) 2009 Peter Miller explain_fileno_or_die(3)
Related Man Pages
explain_accept4_or_die(3) - debian
explain_pwrite_or_die(3) - debian
explain_setvbuf_or_die(3) - debian
explain_strtoull_or_die(3) - debian
fileno(3) - x11r4
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