C- Memory Allocation

C- Memory Allocation
1. What function should be used to free the memory allocated by calloc() ?
  • dealloc();
  • malloc(variable_name, 0)
  • free();
  • memalloc(variable_name, 0)
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2. How will you free the memory allocated by the following program?

#include<stdio.h>
#include<stdlib.h>
#define MAXROW 3
#define MAXCOL 4

int main()
{
    int **p, i, j;
    p = (int **) malloc(MAXROW * sizeof(int*));
    return 0;
}
  • memfree(int p);
  • dealloc(p);
  • malloc(p, 0);
  • free(p);
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3. Specify the 2 library functions to dynamically allocate memory?
  • malloc() and memalloc()
  • alloc() and memalloc()
  • malloc() and calloc()
  • memalloc() and faralloc()
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