1OPTARG(3P) POSIX Programmer's Manual OPTARG(3P)
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6 This manual page is part of the POSIX Programmer's Manual. The Linux
7 implementation of this interface may differ (consult the corresponding
8 Linux manual page for details of Linux behavior), or the interface may
9 not be implemented on Linux.
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12 optarg, opterr, optind, optopt — options parsing variables
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15 #include <unistd.h>
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17 extern char *optarg;
18 extern int opterr, optind, optopt;
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21 Refer to getopt().
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24 Portions of this text are reprinted and reproduced in electronic form
25 from IEEE Std 1003.1-2017, Standard for Information Technology -- Por‐
26 table Operating System Interface (POSIX), The Open Group Base Specifi‐
27 cations Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of
28 Electrical and Electronics Engineers, Inc and The Open Group. In the
29 event of any discrepancy between this version and the original IEEE and
30 The Open Group Standard, the original IEEE and The Open Group Standard
31 is the referee document. The original Standard can be obtained online
32 at http://www.opengroup.org/unix/online.html .
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34 Any typographical or formatting errors that appear in this page are
35 most likely to have been introduced during the conversion of the source
36 files to man page format. To report such errors, see https://www.ker‐
37 nel.org/doc/man-pages/reporting_bugs.html .
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41IEEE/The Open Group 2017 OPTARG(3P)