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memmem: add a note about other systems which have memmem

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memmem started as a GNU extension but is now widely available.

Reviewed by:	mhorne (slightly earlier version)
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D39337
This commit is contained in:
Ed Maste 2023-03-29 21:03:27 -04:00
parent e37edc91b6
commit 30da840c62
1 changed files with 3 additions and 2 deletions
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5
lib/libc/string/memmem.3
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@ -26,7 +26,7 @@
.\" .\"
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd March 17, 2017 .Dd March 30, 2023
.Dt MEMMEM 3 .Dt MEMMEM 3
.Os .Os
.Sh NAME .Sh NAME
@ -71,7 +71,8 @@ is returned.
.Xr strstr 3 .Xr strstr 3
.Sh CONFORMING TO .Sh CONFORMING TO
.Fn memmem .Fn memmem
is a GNU extension. started as a GNU extension but is now available in at least
the GNU, musl, bionic, OpenBSD, NetBSD, macOS, and Illumos C runtime libraries.
.Sh HISTORY .Sh HISTORY
The The
.Fn memmem .Fn memmem