Void Pointers

void_pointers.c

   /* ====================================================================== */
    /* Void Pointers*/
    /* ====================================================================== */

    // void* absence of a type means you are able to store any type
    // - Often used as a return type or a parameter type of functions
    // - You must cast it to a type when you dereference it
    int i = 10;
    float f = 2.34;
    char ch = 'k';

    void *vptr = NULL;

    vptr = &i;
    printf("Value of i = %d\n", *(int*)vptr);

    vptr = &f;
    printf("Value of f = %.2f\n", *(float*)vptr);

    vptr = &ch;
    printf("Value of ch = %c\n\n\n", *(char*)vptr);