alloca.3: clarify origins in CONFORMING TO

alloca() is supported by PWB/UNIX[1] (V6) and UNIX/32V[2] (V7),
for the PDP-11 and VAX, respectively; the former trickles into
UNIX System III[3], and the latter into 3BSD[4] and later[5]

1: https://ftp.okass.net/pub/mirror/minnie.tuhs.org/Distributions/USDL/spencer_pwb.tar.gz
   sys/source/s4/util/alloca.s
2: https://ftp.okass.net/pub/mirror/minnie.tuhs.org/Distributions/USDL/32V/32v_usr.tar.gz
   usr/src/libc/sys/alloca.s
3: https://vetusware.com/download/UNIX%20System%20III%20Source%20Code%20SYSIII/?id=11576
4: https://ftp.okass.net/pub/mirror/minnie.tuhs.org/Distributions/UCB/
5: https://archive.org/details/The_CSRG_Archives_CD-ROM_3_August_1998_Marshall_Kirk_McKusick

Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

diff --git a/man3/alloca.3 b/man3/alloca.3
index 5bceeabe10e8be7317fb15171347f3776ab93749..71348e609d0bce3ce95e464d80b8c6c96201b00a 100644 (file)
--- a/man3/alloca.3
+++ b/man3/alloca.3
@@ -84,11 +84,8 @@ T}   Thread safety   MT-Safe
 .SH CONFORMING TO
 This function is not in POSIX.1.
 .PP
-There is evidence that the
 .BR alloca ()
-function appeared in 32V, PWB, PWB.2, 3BSD, and 4BSD.
-There is a man page for it in 4.3BSD.
-Linux uses the GNU version.
+originates from PWB and 32V, and appears in all their derivatives.
 .SH NOTES
 The
 .BR alloca ()