--- tcl/tclCmdAH.c.~1~	Wed Sep 30 18:02:49 1998
+++ tcl/tclCmdAH.c	Wed Sep 30 18:08:25 1998
@@ -46,7 +46,6 @@
 #if !(defined(BSD) && BSD >= 199306)
 extern long lseek();
 #endif
-extern char *mktemp();
 
 /*
  *----------------------------------------------------------------------
@@ -507,8 +506,7 @@
     } else {
 	char tmp[sizeof(TMP_FILE_NAME) + 1];
 	strcpy(tmp, TMP_FILE_NAME);
-	mktemp(tmp);
-	stdIn[0] = open(tmp, O_RDWR|O_CREAT, 0);
+	stdIn[0] = mkstemp(tmp);
 	if (stdIn[0] < 0) {
 	    sprintf(interp->result,
 		    "couldn't create input file for \"%.50s\" command: %.50s",