1explain_putw_or_die(3) Library Functions Manual explain_putw_or_die(3)
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6 explain_putw_or_die - output a word (int) and report errors
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9 #include <libexplain/putw.h>
10 void explain_putw_or_die(int value, FILE *fp);
11 int explain_putw_on_error(int value, FILE *fp);
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14 The explain_putw_or_die function is used to call the putw(3) system
15 call. On failure an explanation will be printed to stderr, obtained
16 from the explain_putw(3) function, and then the process terminates by
17 calling exit(EXIT_FAILURE).
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19 The explain_putw_on_error function is used to call the putw(3) system
20 call. On failure an explanation will be printed to stderr, obtained
21 from the explain_putw(3) function, but still returns to the caller.
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23 value The value, exactly as to be passed to the putw(3) system call.
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25 fp The fp, exactly as to be passed to the putw(3) system call.
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28 The explain_putw_or_die function only returns on success, see putw(3)
29 for more information. On failure, prints an explanation and exits, it
30 does not return.
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32 The explain_putw_on_error function always returns the value return by
33 the wrapped putw(3) system call.
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36 The explain_putw_or_die function is intended to be used in a fashion
37 similar to the following example:
38 explain_putw_or_die(value, fp);
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41 putw(3) output a word (int)
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43 explain_putw(3)
44 explain putw(3) errors
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46 exit(2) terminate the calling process
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49 libexplain version 0.40
50 Copyright (C) 2010 Peter Miller
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54 explain_putw_or_die(3)