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feature_test_macros.7: wfix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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.\" Formatted or processed versions of this manual, if unaccompanied by
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.\" the source, must acknowledge the copyright and authors of this work.
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.\"
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.TH FEATURE_TEST_MACROS 7 2009-12-13 "Linux" "Linux Programmer's Manual"
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.TH FEATURE_TEST_MACROS 7 2010-09-10 "Linux" "Linux Programmer's Manual"
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.SH NAME
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feature_test_macros \- feature test macros
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.SH SYNOPSIS
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.SH DESCRIPTION
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Feature test macros allow the programmer to control the definitions that
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are exposed by system header files when a program is compiled.
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This can be useful for creating portable applications,
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Some feature test macros are useful for creating portable applications,
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by preventing nonstandard definitions from being exposed.
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Other macros can be used to expose nonstandard definitions that
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are not exposed by default.
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