-extern int memcmp(const void *m1, const void *m2, Uint count);
-extern void *memcpy(void *dest, const void *src, Uint count);
-extern void *memcpyd(void *dest, const void *src, Uint count);
-extern void *memset(void *dest, int val, Uint count);
-extern void *memsetd(void *dest, Uint val, Uint count);
+extern int memcmp(const void *m1, const void *m2, size_t count);
+extern void *memcpy(void *dest, const void *src, size_t count);
+extern void *memcpyd(void *dest, const void *src, size_t count);
+extern void *memset(void *dest, int val, size_t count);
+extern void *memsetd(void *dest, Uint32 val, size_t count);