[C] variadic free function

variadic_free.c

void doFree(void * allocate, ...) {
    void *target = allocate;
    
    va_list args;
    
    va_start(args, allocate);
    while (target != NULL) {
        free(target);
        target = va_arg(args, void *);
    }
    va_end(args);
}

void main(void) {
    char *a = (char *) malloc(sizeof(char));
    int  *b = (int *)  malloc(sizeof(int));
    
    doFree(a, b, NULL);
}