1explain_putchar_or_die(3) Library Functions Manual explain_putchar_or_die(3)
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6 explain_putchar_or_die - output of characters and report errors
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9 #include <libexplain/putchar.h>
10 void explain_putchar_or_die(int c);
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13 The explain_putchar_or_die function is used to call the putchar(3) sys‐
14 tem call. On failure an explanation will be printed to stderr,
15 obtained from explain_putchar(3), and then the process terminates by
16 calling exit(EXIT_FAILURE).
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18 This function is intended to be used in a fashion similar to the fol‐
19 lowing example:
20 explain_putchar_or_die(c);
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22 c The c, exactly as to be passed to the putchar(3) system call.
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24 Returns:
25 This function only returns on success. On failure, prints an
26 explanation and exits.
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29 putchar(3)
30 output of characters
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32 explain_putchar(3)
33 explain putchar(3) errors
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35 exit(2) terminate the calling process
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38 libexplain version 1.4
39 Copyright (C) 2008 Peter Miller
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43 explain_putchar_or_die(3)