1ENVIRON(3P) POSIX Programmer's Manual ENVIRON(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 environ — array of character pointers to the environment strings
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15 extern char **environ;
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18 Refer to exec and the Base Definitions volume of POSIX.1‐2017, Chapter
19 8, Environment Variables.
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22 Portions of this text are reprinted and reproduced in electronic form
23 from IEEE Std 1003.1-2017, Standard for Information Technology -- Por‐
24 table Operating System Interface (POSIX), The Open Group Base Specifi‐
25 cations Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of
26 Electrical and Electronics Engineers, Inc and The Open Group. In the
27 event of any discrepancy between this version and the original IEEE and
28 The Open Group Standard, the original IEEE and The Open Group Standard
29 is the referee document. The original Standard can be obtained online
30 at http://www.opengroup.org/unix/online.html .
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32 Any typographical or formatting errors that appear in this page are
33 most likely to have been introduced during the conversion of the source
34 files to man page format. To report such errors, see https://www.ker‐
35 nel.org/doc/man-pages/reporting_bugs.html .
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39IEEE/The Open Group 2017 ENVIRON(3P)