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39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
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/* Copyright (C) 1996 DJ Delorie, see COPYING.DJ for details */
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#ifndef __dj_include_libc_environ_h_
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#define __dj_include_libc_environ_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __dj_ENFORCE_ANSI_FREESTANDING
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#ifndef __STRICT_ANSI__
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#ifndef _POSIX_SOURCE
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/* This starts at 1 and gets incremented every time some
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variable in the environment is added, deleted, or changes
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its value. It is meant to be used by functions that depend
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on values of environment variables, but don't want to call
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`getenv' unnecessarily (example: `__use_lfn').
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To use this feature, define a static variable that is
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initialized to zero, and compare its value with the value of
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`__environ_changed': if they differ, you should call `getenv'
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(and record the last value of `__environ_changed' you've seen). */
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extern unsigned __environ_changed;
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#endif /* !_POSIX_SOURCE */
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#endif /* !__STRICT_ANSI__ */
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#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
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#ifndef __dj_ENFORCE_FUNCTION_CALLS
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#endif /* !__dj_ENFORCE_FUNCTION_CALLS */
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#ifdef __cplusplus
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}
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#endif
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#endif /* !__dj_include_environ_h_ */
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