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.
svn path=/head/; revision=359284
2020-03-24 19:33:21 +00:00 · 2020-03-24 19:33:21 +00:00 · 56c995d658 · 2020-12-20 02:59:44 +00:00
commit 56c995d658
parent 704101dd3d
2 changed files with 9 additions and 1 deletions
--- a/lib/libc/gen/exec.3
+++ b/lib/libc/gen/exec.3
@ -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 .
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@ -346,7 +346,7 @@ system call conforms to The Open Group Extended API Set 2 specification.
 The
 .Fn execve
 system call appeared in
-.Bx 4.2 .
+.At V7 .
 The
 .Fn fexecve
 system call appeared in