diff --git a/util/ego/ca/ca.c b/util/ego/ca/ca.c
index 5f50d8ddd..27e517818 100644
--- a/util/ego/ca/ca.c
+++ b/util/ego/ca/ca.c
@@ -174,7 +174,7 @@ STATIC void getpnames(dumpp)
 	}
 }
 
-STATIC new_name(s) char** s;
+STATIC int new_name(s) char** s;
 {
 	static int nn = 0;
 	char buf[20];
@@ -190,7 +190,7 @@ STATIC new_name(s) char** s;
 	strcpy(*s, buf);
 }
 
-STATIC uniq_names()
+STATIC int uniq_names()
 {
 	/* The names of all internal procedures and data blocks
 	 * are made different. As the optimizer combines several
@@ -218,7 +218,7 @@ STATIC uniq_names()
 	}
 }
 
-main(argc, argv) int argc;
+int main(argc, argv) int argc;
 char* argv[];
 {
 	/* CA does not output proctable etc. files. Instead, its
diff --git a/util/ego/ca/ca_put.c b/util/ego/ca/ca_put.c
index d89d0578e..246a01a96 100644
--- a/util/ego/ca/ca_put.c
+++ b/util/ego/ca/ca_put.c
@@ -71,13 +71,13 @@ STATIC void outsym(const char *s, int t)
 			coutshort((short) num);
 		}
 	} else {
-		p= s;
+		p= (byte*) s;
 		while (*p && p < &s[IDL])
 			p++;
 		num = p - s;
 		outbyte( (byte) t);
 		coutint((short) num);
-		p = s;
+		p = (byte*) s;
 		while (num--)
 			outbyte( (byte) *p++ );
 	}
@@ -167,7 +167,7 @@ STATIC void coutobject(obj_p obj)
 
 STATIC void cputstr(argb_p abp) {
 	register argb_p tbp;
-	register length;
+	register int length;
 
 	length = 0;
 	tbp = abp;