1explain_fgetc_or_die(3) Library Functions Manual explain_fgetc_or_die(3)
2
3
4
6 explain_fgetc_or_die - input of characters and report errors
7
9 #include <libexplain/fgetc.h>
10 int explain_fgetc_or_die(FILE *fp);
11
13 The explain_fgetc_or_die function is used to call the fgetc(3) system
14 call. On failure an explanation will be printed to stderr, obtained
15 from explain_fgetc(3), and then the process terminates by calling
16 exit(EXIT_FAILURE).
17
18 This function is intended to be used in a fashion similar to the fol‐
19 lowing example:
20 int c = explain_fgetc_or_die(fp);
21
22 fp The fp, exactly as to be passed to the fgetc(3) system call.
23
24 Returns:
25 This function only returns on success. On failure, prints an
26 explanation and exits.
27
29 fgetc(3)
30 input of characters
31
32 explain_fgetc(3)
33 explain fgetc(3) errors
34
35 exit(2) terminate the calling process
36
38 libexplain version 1.4
39 Copyright (C) 2008 Peter Miller
40
41
42
43 explain_fgetc_or_die(3)