core: change types from uint32_t to u32 (e.g)

libbozo/headers/string.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "types.h"
 #include <stddef.h>
 
 char *strchr(const char *str, int c);
@@ -12,4 +13,4 @@ void *memcpy(void *dest, const void *src, size_t n);
 int memcmp(const void *s1, const void *s2, size_t n);
 void *memset(void *str, int c, size_t n);
 void *memmove(void *dest, const void *src, size_t n);
-void bzero(void *s, size_t n);
+void bzero(void *s, size_t n);