DOKK / manpages / debian 12 / libexplain-dev / explain_fgetc_or_die.3.en
explain_fgetc_or_die(3) Library Functions Manual explain_fgetc_or_die(3)

explain_fgetc_or_die - input of characters and report errors

#include <libexplain/fgetc.h>

int explain_fgetc_or_die(FILE *fp);

The explain_fgetc_or_die function is used to call the fgetc(3) system call. On failure an explanation will be printed to stderr, obtained from explain_fgetc(3), and then the process terminates by calling exit(EXIT_FAILURE).

This function is intended to be used in a fashion similar to the following example:

int c = explain_fgetc_or_die(fp);
The fp, exactly as to be passed to the fgetc(3) system call.
This function only returns on success. On failure, prints an explanation and exits.

fgetc(3)
input of characters
explain_fgetc(3)
explain fgetc(3) errors
exit(2)
terminate the calling process

libexplain version 1.4
Copyright (C) 2008 Peter Miller