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 handle_event(int event_code) {
void (*actions[5])(void) = {on_button, on_timer, on_uart, on_power, on_error};
    if(event_code<0 || event_code>4){
        printf("Unhandled Event");
        return;
    }    
    return actions[event_code]();
}
int main() {
    int event;
    scanf("%d", &event);
    handle_event(event);
    return 0;
}