#include<stdio.h> #include<stdlib.h> void write(int num) { FILE *fp; fp=fopen("storeNum.txt","w"); fprintf(fp,"%d",num); fclose(fp); printf("succesfully stored"); printf("\nQuitting the program...."); } void display(void) { system("clear"); int num3; FILE *fp; fp=fopen("storeNum.txt","r"); fscanf(fp,"%d",&num3); printf("Displaying numbee\n"); printf("%d\n",num3); fclose(fp); printf("Quitting the program...."); } void check(int num2) { int num4; int x; FILE *fp; fp=fopen("storeNum.txt","r"); fscanf(fp,"%d",&num4); if(num2==num4) { printf("It already exist\n"); printf("Quitting the program...."); fclose(fp); } else { printf("Not exist \nPress\n1.to save\n "); scanf("%d",&x); system("clear"); i