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unlocked_stdio.3: Note glibc 2.24 feature test macro requirement changes 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-06-16 10:37:36 +02:00
parent d4afcdb42d
commit f83b1bbc94
1 changed files with 2 additions and 1 deletions
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man3/unlocked_stdio.3
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@ -73,7 +73,8 @@ Feature Test Macro Requirements for glibc (see
.BR putc_unlocked (),
.BR putchar_unlocked ():
.RS 4
_POSIX_C_SOURCE
/* Since glibc 2.24: */ _POSIX_C_SOURCE\ >=\ 199309L
|| /* Glibc versions <= 2.23: */ _POSIX_C_SOURCE
|| /* Glibc versions <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE
.RE
.sp