1explain_popen_or_die(3) Library Functions Manual explain_popen_or_die(3)
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6 explain_popen_or_die - process I/O and report errors
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9 #include <libexplain/popen.h>
10 FILE *explain_popen_or_die(const char *command, const char *flags);
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13 The explain_popen_or_die function is used to call the popen(3) system
14 call. On failure an explanation will be printed to stderr, obtained
15 from explain_popen(3), and then the process terminates by calling
16 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 FILE *fp = explain_popen_or_die(command, flags);
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22 command The command, exactly as to be passed to the popen(3) system
23 call.
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25 flags The flags, exactly as to be passed to the popen(3) system call.
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27 Returns:
28 This function only returns on success, see popen(3) for more
29 information. On failure, prints an explanation and exits.
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32 popen(3)
33 process I/O
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35 explain_popen(3)
36 explain popen(3) errors
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38 exit(2) terminate the calling process
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41 libexplain version 0.40
42 Copyright (C) 2009 Peter Miller
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46 explain_popen_or_die(3)