61. Event-Based Triggers Using Function Pointer Array

#include <stdio.h>

void on_button() {
    printf("Button Pressed");
}
void on_timer() {
    printf("Timer Expired");
}
void on_uart() {
    printf("UART Received");
}
void on_power() {
    printf("Power On");
}
void on_error() {
    printf("Error Detected");
}

void (*trigFunc[5])(void)={on_button,on_timer,on_uart,on_power,on_error};

void handle_event(int event_code) {
    if(event_code > 4) printf("Unhandled Event");
    else {
        trigFunc[event_code]();
    }

}

int main() {
    int event;
    scanf("%d", &event);
    handle_event(event);
    return 0;
}