[fusl] clang-format fusl

fusl/src/malloc/malloc_usable_size.c

 #include <malloc.h>
 
-void *(*const __realloc_dep)(void *, size_t) = realloc;
+void* (*const __realloc_dep)(void*, size_t) = realloc;
 
 struct chunk {
-        size_t psize, csize;
-        struct chunk *next, *prev;
+  size_t psize, csize;
+  struct chunk *next, *prev;
 };
 
-#define OVERHEAD (2*sizeof(size_t))
+#define OVERHEAD (2 * sizeof(size_t))
 #define CHUNK_SIZE(c) ((c)->csize & -2)
-#define MEM_TO_CHUNK(p) (struct chunk *)((char *)(p) - OVERHEAD)
+#define MEM_TO_CHUNK(p) (struct chunk*)((char*)(p)-OVERHEAD)
 
-size_t malloc_usable_size(void *p)
-{
-        return p ? CHUNK_SIZE(MEM_TO_CHUNK(p)) - OVERHEAD : 0;
+size_t malloc_usable_size(void* p) {
+  return p ? CHUNK_SIZE(MEM_TO_CHUNK(p)) - OVERHEAD : 0;
 }