--- marc.c.orig	2010-08-07 08:06:42.000000000 -0500
+++ marc.c	2020-11-18 14:44:43.000000000 -0600
@@ -54,7 +54,7 @@ main(nargs,arg)			       /* system entry
 int nargs;			       /* number of arguments */
 char *arg[];			       /* pointers to arguments */
 {
-    char *makefnam();
+    char *makefnam(char *rawfn, char *template, char *result);
     char *envfind();
 #if	!_MTS
     char *arctemp2;		       /* temp file stuff */
@@ -326,7 +326,7 @@ int n;				       /* number of entry to e
     char buf[100];		       /* input buffer */
     int x;			       /* index */
     char *p = lst[n]+1;		       /* filename pointer */
-    char *makefnam();
+    char *makefnam(char *rawfn, char *template, char *result);
 
     if(*p)			       /* use name if one was given */
     {	 makefnam(p,".CMD",buf);