Using Objective-C block to curry a function, take 2

curry2.m

#include <stdio.h>


int f(int x, int y)
{
    return x + y;
}

int main()
{
    typedef int (*int_x_int_to_int_t)(int, int);
    typedef int (^int_to_int_t)(int);
    typedef int_to_int_t (^int_to_int_to_int_t)(int);
    typedef int_to_int_to_int_t (^curry_t)(int_x_int_to_int_t);
    
    curry_t curry = ^(int_x_int_to_int_t f) {
        int_to_int_to_int_t h = ^(int x) {
            int_to_int_t g = ^(int y) {
                return f(x, y);  
            };

            return g;        
        };
        return h;
    };
    
    int_to_int_to_int_t h = curry(f);
    int_to_int_t g = h(5);
    
    int z;
    z = g(10);
    printf("%d\n", z);
}