Dag-Erling Smørgrav 8ad749a45d Change back to using vfork() now that execvp() is vfork()-safe. If execvp()
fails, errno is saved to a volatile variable that the parent later inspects.

PR:		bin/34898
Submitted by:	Tim J. Robbins <tim@robbins.dropbear.id.au>
MFC after:	1 week
2002-03-09 22:08:14 +00:00
..