diff --git a/lib-platform/crypto/crypto_scrypt.c b/lib-platform/crypto/crypto_scrypt.c
index a98d4306..6057f0af 100644
--- a/lib-platform/crypto/crypto_scrypt.c
+++ b/lib-platform/crypto/crypto_scrypt.c
@@ -45,7 +45,7 @@
 
 #include "crypto_scrypt.h"
 
-static void (*smix_func)(uint8_t *, size_t, uint64_t, void *, void *) = NULL;
+static void (* smix_func)(uint8_t *, size_t, uint64_t, void *, void *) = NULL;
 
 /**
  * crypto_scrypt_internal(passwd, passwdlen, salt, saltlen, N, r, p, buf,
@@ -56,7 +56,7 @@ static int
 crypto_scrypt_internal(const uint8_t * passwd, size_t passwdlen,
     const uint8_t * salt, size_t saltlen, uint64_t N, uint32_t _r, uint32_t _p,
     uint8_t * buf, size_t buflen,
-    void (*smix)(uint8_t *, size_t, uint64_t, void *, void *))
+    void (* smix)(uint8_t *, size_t, uint64_t, void *, void *))
 {
 	void * B0, * V0, * XY0;
 	uint8_t * B;
@@ -192,7 +192,7 @@ static struct scrypt_test {
 };
 
 static int
-testsmix(void (*smix)(uint8_t *, size_t, uint64_t, void *, void *))
+testsmix(void (* smix)(uint8_t *, size_t, uint64_t, void *, void *))
 {
 	uint8_t hbuf[TESTLEN];
 
diff --git a/libcperciva/alg/sha256.c b/libcperciva/alg/sha256.c
index d698eddc..1321f1f0 100644
--- a/libcperciva/alg/sha256.c
+++ b/libcperciva/alg/sha256.c
@@ -140,7 +140,7 @@ static int
 hwtest(const uint32_t state[static restrict 8],
     const uint8_t block[static restrict 64],
     uint32_t W[static restrict 64], uint32_t S[static restrict 8],
-    void(* func)(uint32_t state[static restrict 8],
+    void (* func)(uint32_t state[static restrict 8],
     const uint8_t block[static restrict 64], uint32_t W[static restrict 64],
     uint32_t S[static restrict 8]))
 {
diff --git a/libcperciva/crypto/crypto_aes.c b/libcperciva/crypto/crypto_aes.c
index 8d64761c..f884605b 100644
--- a/libcperciva/crypto/crypto_aes.c
+++ b/libcperciva/crypto/crypto_aes.c
@@ -67,7 +67,7 @@ static struct aes_test {
 
 /* Test a function against test vectors. */
 static int
-functest(int(* func)(const uint8_t *, size_t, const uint8_t[16], uint8_t[16]))
+functest(int (* func)(const uint8_t *, size_t, const uint8_t[16], uint8_t[16]))
 {
 	struct aes_test * knowngood;
 	uint8_t ctext[16];