v2

alloc.c

-#include "alloc.h"즈
-#define MSIZE sizeof(meta_struct)-4
+#include "alloc.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#define MSIZE sizeof(meta)-4
 
 void* total = 0;
 void* base = 0;
@@ -7,8 +11,13 @@ void* end = 0;
 void* cur = 0;
 int fit;//0 1 2
 
+void *m_malloc(size_t size);
+void *m_realloc(void* ptr, size_t size);
+void m_free(void* ptr);
+meta* search(void* ptr, size_t size);
+
 meta* search(void* ptr, size_t size){//current pointer
-  mata* index = base;
+  meta* index = base;
   meta* result = 0;
 
   if(base == ptr)

alloc.h

 #ifndef _ALLOC_H_
 #define _ALLOC_H_
+#include <stdio.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
 
-typedef struct meta_struct {
+typedef struct meta {
   //double linked list
   struct meta* prev;
   struct meta* next;

main.c

 #include "alloc.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
 
 extern int fit;