Index: bin/csh/sem.c
===================================================================
RCS file: /cvsroot/src/bin/csh/sem.c,v
retrieving revision 1.29
diff -u -r1.29 sem.c
--- bin/csh/sem.c	29 Aug 2011 14:51:17 -0000	1.29
+++ bin/csh/sem.c	3 Aug 2018 05:38:18 -0000
@@ -256,7 +256,7 @@
 		Vsav = Vdp = 0;
 		Vexpath = 0;
 		Vt = 0;
-		pid = vfork();
+		pid = fork();
 
 		if (pid < 0) {
 		    (void)sigprocmask(SIG_SETMASK, &osigset, NULL);