57. State Machine Using Function Pointers

#include <stdio.h>

void state_init()    { printf("Init\n"); }
void state_load()    { printf("Load\n"); }
void state_execute() { printf("Execute\n"); }
void state_exit()    { printf("Exit\n"); }

// Your logic here
void run_state_sequence(int start) {

    int current = start;
    int running = 3;
    void (*state_functions[4])() = {state_init,state_load,state_execute,state_exit};
    while(running){
        state_functions[current++]();
        running--;
        if (current>3)
            current=0;
    }
}

int main() {
    int start;
    scanf("%d", &start);
    run_state_sequence(start);
    return 0;
}