RETURN TYPE WITHOUT PARAMETERS

#include<stdio.h> #include<conio.h> //return type without parametrs int sq(); //declaration void main() { int r; clrscr(); /*return value accept by the calling parts*/ r=sq(); printf("\nSQUARE = %d",r); getch(); } //defination int sq() { int n,r; printf("\nENTER ANY NUMBER : "); scanf("%d",&n); r=n*n; return(r); }