only make malloc

alloc.h

 #ifndef _ALLOC_H_
 #define _ALLOC_H_
 
-typedef struct meta_struct {
+#include <sys/types.h>
+#include <stdint.h>
  
+typedef struct meta_struct{
+    size_t size;
+    size_t free;
+    char offset[100];
+    struct meta_struct *next;
+    struct meta_struct *prev;
 } meta;
 
+void *make_malloc(size_t size);
+
+size_t * start;
+size_t * end;
+meta * find;
+meta * k_malloc;
+meta *read_start;
+
 #endif