include

include

main()
{
char s1[20], s2[20];
printf(“\nEnter first string: “);
gets(s1);
printf(“\nEnter second string: “);
gets(s2);
strcat(s1, s2);
printf(“\nThe concatenated string is: %s”, s1);
getch();
}
OUTPUT:

Enter first string: Programming

Enter second string: .com