Concatination of two Strings

/* CONCATINATION OF TWO STRINGS */

#include<stdio.h>

#include<conio.h>

void main()

{

 clrscr();

 int i,j;

 char s1[50],s2[50],s[100];

 printf("\nInput first string=");

 scanf("%s",&s1);

 printf("\nInput second string=");

 scanf("%s",&s2);

 for(i=0;s1[i]!='\0';i++)

 {

  s[i]=s1[i];

 }

 for(j=0;s2[j]!='\0';j++)

 {

  s[i+j]=s2[j];

 }

 printf("\n\n\nS=%s",s);

 getch();

}