svn commit: r359284 - in head/lib/libc: gen sys

[Warner Losh]

Author: imp
Date: Tue Mar 24 19:33:21 2020
New Revision: 359284
URL: https://svnweb.freebsd.org/changeset/base/359284

Log:
  exec{l,v}{e,p} arrived in 7th Edition research Unix to support the Bourne Shell
  which introduced environment variables. Document that here. Verified by
  consulting the TUHS archive.

Modified:
  head/lib/libc/gen/exec.3
  head/lib/libc/sys/execve.2

Modified: head/lib/libc/gen/exec.3
==============================================================================
--- head/lib/libc/gen/exec.3	Tue Mar 24 19:20:10 2020	(r359283)
+++ head/lib/libc/gen/exec.3	Tue Mar 24 19:33:21 2020	(r359284)
@@ -322,6 +322,14 @@ and
 functions appeared in
 .At v2 .
 The
+.Fn execlp ,
+.Fn execle ,
+.Fn execve ,
+and
+.Fn execvp
+functions appeared in
+.At v7 .
+The
 .Fn execvP
 function first appeared in
 .Fx 5.2 .

Modified: head/lib/libc/sys/execve.2
==============================================================================
--- head/lib/libc/sys/execve.2	Tue Mar 24 19:20:10 2020	(r359283)
+++ head/lib/libc/sys/execve.2	Tue Mar 24 19:33:21 2020	(r359284)
@@ -346,7 +346,7 @@ system call conforms to The Open Group Extended API Se
 The
 .Fn execve
 system call appeared in
-.Bx 4.2 .
+.At V7 .
 The
 .Fn fexecve
 system call appeared in