Index: iolib/rawio.c
===================================================================
--- iolib/rawio.c	(revision df097bf59e892ec2e9bbb4a5696044afa1d5bf16)
+++ iolib/rawio.c	(revision 30c03a473aaea5cf8394381b99a86698ece0b063)
@@ -71,9 +71,9 @@
 int
 readln(unit,nc,ctl,nb,buf)
-int unit;	/* logical unit number 1..4 */
-int nc;		/* length of control string ctl */
-char *ctl;	/* control string pointer */
-int nb;		/* buffer limit */
-char *buf;	/* buffer pointer (at least nb+1 bytes) */
+int unit;
+int nc;
+char *ctl;
+int nb;
+char *buf;
 {
 	register char *cp;
@@ -112,7 +112,7 @@
 int
 getln(unit,nb,buf)
-int unit;	/* logical unit number 1..4 */
-int nb;		/* buffer limit */
-char *buf;	/* buffer pointer */
+int unit;
+int nb;
+char *buf;
 {
 	register char *bp;
@@ -181,7 +181,7 @@
 int
 getrln(unit,nb,buf)
-int unit;	/* logical unit number 1..4 */
-int nb;		/* buffer limit */
-char *buf;	/* buffer pointer */
+int unit;
+int nb;
+char *buf;
 {
 	register char *bp;
@@ -227,6 +227,6 @@
 
 writeln(unit,buf)
-int unit;	/* logical unit number 0..4 */
-char *buf;	/* buffer pointer */
+int unit;
+char *buf;
 {
 	register char *bp;
Index: iolib/sprintf.c
===================================================================
--- iolib/sprintf.c	(revision df097bf59e892ec2e9bbb4a5696044afa1d5bf16)
+++ iolib/sprintf.c	(revision 30c03a473aaea5cf8394381b99a86698ece0b063)
@@ -43,4 +43,5 @@
 int
 spsub(c)
+char c;
 {
 	return((*buff++ = c) & 0xFF);