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syscall.2: Minor tweaks to Petr Vorel's patch 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2020-01-10 21:12:20 +01:00
parent ce0f522790
commit 4897b19d4e
1 changed files with 10 additions and 3 deletions
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13
man2/syscall.2
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@ -54,12 +54,19 @@ syscall \- indirect system call
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.in
.PP
.BR syscall ():
.PD 0
.ad l
/* Since glibc 2.19: */ _DEFAULT_SOURCE
/* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
.RS 4
.TP 4
Since glibc 2.19:
_DEFAULT_SOURCE
.TP
Before glibc 2.19:
_BSD_SOURCE || _SVID_SOURCE
.RE
.ad
.PD
.SH DESCRIPTION
.BR syscall ()
is a small library function that invokes