C program to compute the root of a number using function.
C Program
#include <stdio.h> #include <conio.h> unsigned long root(int); void main() { int x; unsigned long res; clrscr(); printf("\nENTER A NUMBER: "); scanf("%d",&x); res=root(x); printf("\nROOT OF %d IS = %lu",x,res); getch(); } unsigned long root(int a) { unsigned long b; b=a*a; return(b); }