diff --git a/lang/cem/cemcom/domacro.c b/lang/cem/cemcom/domacro.c
index 7499b4711..510816d7a 100644
--- a/lang/cem/cemcom/domacro.c
+++ b/lang/cem/cemcom/domacro.c
@@ -42,6 +42,22 @@ PRIVATE char ifstack[IFDEPTH];	/* if-stack: the content of an entry is	*/
 
 int	nestlevel = -1;
 
+PRIVATE do_include();
+PRIVATE ifexpr();
+PRIVATE do_define();
+PRIVATE push_if();
+PRIVATE do_elif();
+PRIVATE do_else();
+PRIVATE do_endif();
+PRIVATE do_if();
+PRIVATE do_ifdef();
+PRIVATE do_undef();
+PRIVATE int getparams();
+PRIVATE char *get_text();
+PRIVATE int macroeq();
+PRIVATE SkipRestOfLine();
+PRIVATE do_line();
+
 struct idf *
 GetIdentifier()
 {
@@ -318,7 +334,6 @@ do_define()
 	char *repl_text;	/* start of the replacement text	*/
 	int length;		/* length of the replacement text	*/
 	register ch;
-	char *get_text();
 
 	/* read the #defined macro's name	*/
 	if (!(id = GetIdentifier())) {
@@ -663,7 +678,7 @@ get_text(formals, length)
 	as strings, without taking care of the leading and trailing
 	blanks (spaces and tabs).
 */
-PRIVATE
+PRIVATE int
 macroeq(s, t)
 	register char *s, *t;
 {
diff --git a/lang/cem/cemcom/replace.c b/lang/cem/cemcom/replace.c
index 35f1d9179..81ce33711 100644
--- a/lang/cem/cemcom/replace.c
+++ b/lang/cem/cemcom/replace.c
@@ -28,6 +28,10 @@ extern int InputLevel;
 
 PRIVATE struct mlist	*ReplaceList;	/* list of currently active macros */
 
+PRIVATE macro_func();
+PRIVATE char *macro2buffer();
+extern char **getactuals();
+
 EXPORT int
 replace(idef)
 	register struct idf *idef;
@@ -44,8 +48,8 @@ replace(idef)
 	register struct macro *mac = idef->id_macro;
 	register struct mlist *repl;
 	register int c;
-	char **actpars, **getactuals();
-	char *reptext, *macro2buffer();
+	char **actpars;
+	char *reptext;
 	int size;
 
 	if (mac->mc_flag & NOREPLACE) {
diff --git a/lang/cem/cemcom/scan.c b/lang/cem/cemcom/scan.c
index 6c295f1b0..3f9599b63 100644
--- a/lang/cem/cemcom/scan.c
+++ b/lang/cem/cemcom/scan.c
@@ -34,6 +34,8 @@ PRIVATE char *aptr;	/* pointer to last inserted character in apbuf	*/
 
 PRIVATE int nr_of_params;	/* number of actuals read until now	*/
 
+PRIVATE copyact();
+
 char **
 getactuals(idef)
 	register struct idf *idef;