diff --git a/lib/libmd/rmd160c.c b/lib/libmd/rmd160c.c
index fa58b7b8735f..d48f2677142f 100644
--- a/lib/libmd/rmd160c.c
+++ b/lib/libmd/rmd160c.c
@@ -88,8 +88,7 @@ void ripemd160_block_x86(RIPEMD160_CTX *c, const u_int32_t *p,int num);
 void ripemd160_block(RIPEMD160_CTX *c, const u_int32_t *p,int num);
 #endif
 
-void RIPEMD160_Init(c)
-RIPEMD160_CTX *c;
+void RIPEMD160_Init(RIPEMD160_CTX *c)
 	{
 	c->A=RIPEMD160_A;
 	c->B=RIPEMD160_B;
@@ -101,10 +100,7 @@ RIPEMD160_CTX *c;
 	c->num=0;
 	}
 
-void RIPEMD160_Update(c, in, len)
-RIPEMD160_CTX *c;
-const void *in;
-size_t len;
+void RIPEMD160_Update(RIPEMD160_CTX *c, const void *in, size_t len)
 	{
 	u_int32_t *p;
 	int sw,sc;
@@ -233,9 +229,7 @@ size_t len;
 		}
 	}
 
-void RIPEMD160_Transform(c,b)
-RIPEMD160_CTX *c;
-unsigned char *b;
+void RIPEMD160_Transform(RIPEMD160_CTX *c, unsigned char *b)
 	{
 	u_int32_t p[16];
 #if BYTE_ORDER != LITTLE_ENDIAN
@@ -272,10 +266,7 @@ unsigned char *b;
 
 #ifndef RMD160_ASM
 
-void ripemd160_block(ctx, X, num)
-RIPEMD160_CTX *ctx;
-const u_int32_t *X;
-int num;
+void ripemd160_block(RIPEMD160_CTX *ctx, const u_int32_t *X, int num)
 	{
 	u_int32_t A,B,C,D,E;
 	u_int32_t a,b,c,d,e;
@@ -472,9 +463,7 @@ int num;
 	}
 #endif
 
-void RIPEMD160_Final(md, c)
-unsigned char *md;
-RIPEMD160_CTX *c;
+void RIPEMD160_Final(unsigned char *md, RIPEMD160_CTX *c)
 	{
 	int i,j;
 	u_int32_t l;
@@ -528,8 +517,7 @@ RIPEMD160_CTX *c;
 	}
 
 #ifdef undef
-int printit(l)
-unsigned long *l;
+int printit(unsigned long *l)
 	{
 	int i,ii;
 
diff --git a/lib/libmd/sha0c.c b/lib/libmd/sha0c.c
index 438c3a4852ff..e9f83fbd4e19 100644
--- a/lib/libmd/sha0c.c
+++ b/lib/libmd/sha0c.c
@@ -102,8 +102,7 @@ char *SHA_version="SHA part of SSLeay 0.9.0b 11-Oct-1998";
 #define	M_p_c2nl_p	p_c2nl_p
 #define	M_nl2c		nl2c
 
-void SHA_Init(c)
-SHA_CTX *c;
+void SHA_Init(SHA_CTX *c)
 	{
 	c->h0=INIT_DATA_h0;
 	c->h1=INIT_DATA_h1;
@@ -115,10 +114,7 @@ SHA_CTX *c;
 	c->num=0;
 	}
 
-void SHA_Update(c, in, len)
-SHA_CTX *c;
-const void *in;
-size_t len;
+void SHA_Update(SHA_CTX *c, const void *in, size_t len)
 	{
 	u_int32_t *p;
 	int ew,ec,sw,sc;
@@ -249,9 +245,7 @@ size_t len;
 	p[sw]=l;
 	}
 
-void SHA_Transform(c,b)
-SHA_CTX *c;
-unsigned char *b;
+void SHA_Transform(SHA_CTX *c, unsigned char *b)
 	{
 	u_int32_t p[16];
 #if BYTE_ORDER == LITTLE_ENDIAN
@@ -286,10 +280,7 @@ unsigned char *b;
 	sha_block(c,p,64);
 	}
 
-void sha_block(c, W, num)
-SHA_CTX *c;
-const u_int32_t *W;
-int num;
+void sha_block(SHA_CTX *c, const u_int32_t *W, int num)
 	{
 	u_int32_t A,B,C,D,E,T;
 	u_int32_t X[16];
@@ -405,9 +396,7 @@ int num;
 		}
 	}
 
-void SHA_Final(md, c)
-unsigned char *md;
-SHA_CTX *c;
+void SHA_Final(unsigned char *md, SHA_CTX *c)
 	{
 	int i,j;
 	u_int32_t l;
diff --git a/lib/libmd/sha1c.c b/lib/libmd/sha1c.c
index 870af2ab1556..871b7a8012dc 100644
--- a/lib/libmd/sha1c.c
+++ b/lib/libmd/sha1c.c
@@ -129,8 +129,7 @@ char *SHA1_version="SHA1 part of SSLeay 0.9.0b 11-Oct-1998";
 #  define	M_nl2c		nl2c
 #endif
 
-void SHA1_Init(c)
-SHA_CTX *c;
+void SHA1_Init(SHA_CTX *c)
 	{
 	c->h0=INIT_DATA_h0;
 	c->h1=INIT_DATA_h1;
@@ -143,10 +142,7 @@ SHA_CTX *c;
 	}
 
 void
-SHA1_Update(c, in, len)
-	SHA_CTX *c;
-	const void *in;
-	size_t len;
+SHA1_Update(SHA_CTX *c, const void *in, size_t len)
 {
 	u_int32_t *p;
 	int ew,ec,sw,sc;
@@ -277,9 +273,7 @@ SHA1_Update(c, in, len)
 	p[sw]=l;
 	}
 
-void SHA1_Transform(c,b)
-SHA_CTX *c;
-unsigned char *b;
+void SHA1_Transform(SHA_CTX *c, unsigned char *b)
 	{
 	u_int32_t p[16];
 #if BYTE_ORDER != BIG_ENDIAN
@@ -317,10 +311,7 @@ unsigned char *b;
 #ifndef SHA1_ASM
 
 void 
-sha1_block(c, W, num)
-	SHA_CTX *c;
-	const u_int32_t *W;
-	int num;
+sha1_block(SHA_CTX *c, const u_int32_t *W, int num)
 {
 	u_int32_t A,B,C,D,E,T;
 	u_int32_t X[16];
@@ -437,9 +428,7 @@ sha1_block(c, W, num)
 	}
 #endif
 
-void SHA1_Final(md, c)
-unsigned char *md;
-SHA_CTX *c;
+void SHA1_Final(unsigned char *md, SHA_CTX *c)
 	{
 	int i,j;
 	u_int32_t l;