Question

How to allocate memory and set the memory to zero in C

Answer 1

#include <stdio.h>
#include <stdlib.h>

int main() {
   int len = 5;

   int *p = (int *)calloc(sizeof(int), len);
   
   for (int i = 0 ; i < len ; i++) {
      printf("%2d", p[i]);
   }
   
   free(p);
   
   return 0;
}



/*
run:

0 0 0 0 0
 
*/

 

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