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De-allocation of memory in C

 

This is a simple De-allocation of memory in C language example by using the function free.

#include <stdio.h>
#include <malloc.h>
main(){
    int *base;
    int i, j;
    int cnt = 0;
    int sum = 0;
    printf("
Enter the integer number whatevere you want to store \n");
    scanf("%d",&cnt);
    base = (int *)malloc(cnt * sizeof(int));
    printf("the base of allocation is %16lu \n",base);
    if(!base){
        printf("unable to allocate size \n");
    } else {
        for(j=0; j<cnt; j++)
               *(base+j)=5;
    }
    sum = 0;
    for(j=0; j<cnt; j++)
        sum = sum + *(base+j);
    printf("total sum is %d\n",sum);
    free(base);
    printf("the base of allocation is %16lu \n",base);
    base = (int *)malloc(cnt * sizeof(int));
    printf("the base of allocation is %16lu \n",base);
    base = (int *)malloc(cnt * sizeof(int));
    printf("the base of allocation is %16lu \n",base);
    base = (int *)calloc(10,2);
    printf("the base of allocation is %16lu \n",base);
}


 
 
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