Write a C program for finding GCD of two given numbers

Write a C program for finding GCD of two given numbers

#include<stdio.h>

                #include<conio.h>

                int gcd(int m, int n)

                {

                                while(m!=n)

                                {

                                                if(m>n)

                                                                m=m-n;

                                                else

                                                                n=n-m;

                                }

                                return(m);

                }

                void main()

                {

                                clrscr();

                                int m,n,gcd(int,int);

                                printf(“Enter any 2 values:\n”);

                                scanf(“%d\n%d”,&m,&n);

                                printf(“GCD= %d”,gcd(m,n)):

                                getch();

                 }