function array

#include<stdlib.h>
#include<stdio.h>
#include<string.h>
#include<stdbool.h>

char* f1(int a) {
    char* str = (char*) calloc(15, sizeof(char));
    sprintf(str, "%d", a);
    return str;
}

char* f2(int a, int b) {
    char* str = (char*) calloc(15, sizeof(char));
    sprintf(str, "%d", a + b);
    return str;
}

char* (*fun_p[])() = {&f1, &f2};

int main(void) {
    int a = 1, b = 6;
    char* f1 = fun_p[0](a);
    char* f2 = fun_p[1](a, b);

    printf("%s\n%s\n", f1, f2);

    free(f1); free(f2);

    return EXIT_SUCCESS;
}