Index: head/sys/crypto/sha1.c
===================================================================
--- head/sys/crypto/sha1.c
+++ head/sys/crypto/sha1.c
@@ -91,8 +91,7 @@
 static void sha1_step(struct sha1_ctxt *);
 
 static void
-sha1_step(ctxt)
-	struct sha1_ctxt *ctxt;
+sha1_step(struct sha1_ctxt *ctxt)
 {
 	uint32_t	a, b, c, d, e;
 	size_t t, s;
@@ -176,8 +175,7 @@
 /*------------------------------------------------------------*/
 
 void
-sha1_init(ctxt)
-	struct sha1_ctxt *ctxt;
+sha1_init(struct sha1_ctxt *ctxt)
 {
 	bzero(ctxt, sizeof(struct sha1_ctxt));
 	H(0) = 0x67452301;
@@ -188,8 +186,7 @@
 }
 
 void
-sha1_pad(ctxt)
-	struct sha1_ctxt *ctxt;
+sha1_pad(struct sha1_ctxt *ctxt)
 {
 	size_t padlen;		/*pad length in bytes*/
 	size_t padstart;
@@ -223,10 +220,7 @@
 }
 
 void
-sha1_loop(ctxt, input, len)
-	struct sha1_ctxt *ctxt;
-	const uint8_t *input;
-	size_t len;
+sha1_loop(struct sha1_ctxt *ctxt, const uint8_t *input, size_t len)
 {
 	size_t gaplen;
 	size_t gapstart;
Index: head/sys/opencrypto/cryptodeflate.c
===================================================================
--- head/sys/opencrypto/cryptodeflate.c
+++ head/sys/opencrypto/cryptodeflate.c
@@ -82,11 +82,7 @@
  */
 
 uint32_t
-deflate_global(data, size, decomp, out)
-	uint8_t *data;
-	uint32_t size;
-	int decomp;
-	uint8_t **out;
+deflate_global(uint8_t *data, uint32_t size, int decomp, uint8_t **out)
 {
 	/* decomp indicates whether we compress (0) or decompress (1) */
 
Index: head/sys/opencrypto/xform_deflate.c
===================================================================
--- head/sys/opencrypto/xform_deflate.c
+++ head/sys/opencrypto/xform_deflate.c
@@ -68,19 +68,13 @@
  */
 
 static uint32_t
-deflate_compress(data, size, out)
-	uint8_t *data;
-	uint32_t size;
-	uint8_t **out;
+deflate_compress(uint8_t *data, uint32_t size, uint8_t **out)
 {
 	return deflate_global(data, size, 0, out);
 }
 
 static uint32_t
-deflate_decompress(data, size, out)
-	uint8_t *data;
-	uint32_t size;
-	uint8_t **out;
+deflate_decompress(uint8_t *data, uint32_t size, uint8_t **out)
 {
 	return deflate_global(data, size, 1, out);
 }