How many bytes will be allocated for the following code on GCC comp

How many bytes will be allocated for the following code on GCC compiler(64 bit machine)?

#include  
 #include  
 #define MAXROW 3  
 #define MAXCOL 4    
 int main()  {      
   int (*p)[MAXCOL];     
   p = (int (*) [MAXCOL])malloc(MAXROW *sizeof(*p));      
   return 0;  
 }  

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