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

/*=================================================*/
void sort_asc() {
	//code
	return;
}
/*=================================================*/
void sort_des() {
	//code
    return;
}
/*=================================================*/
void data_input() {
	//code
    return;
}
/*=================================================*/
void data_display() {
    //code
    return;
}
/*=================================================*/
int prompt_for_choice() {
    char choice[10];
    printf("\t\t========Menu========\n\r");
    printf("\n\r");
    printf("Type '1' to display the input data in ascending order.\n\r");
    printf("Type '2' to display the input data in descending order.\n\r");
    printf("Type '3' to input data.\n\r");
    printf("Type '4' to display the saved data.\n\r");
    printf("\n\r");
    printf("Please make your choice now:\n\r");
    printf("\n\r");
    fgets(choice, sizeof(choice), stdin);
    return strtol(choice, NULL, 10);
}
/*=================================================*/
int main(int argc, char* argv[]) {
    int choice;
    int data[100][2];

    choice = prompt_for_choice();

    if (choice == 1) {
        sort_asc();
    } else if (choice == 2) {
        sort_des();
	} else if (choice ==3) {
		data_input();
	} else if (choice ==4) {
		data_display();
    } else {
        printf("Error, %d is an invalid choice\n\r", choice);
        exit(1);
    }
    exit(0);
}