C program to swap 2 strings

Write a c program to swap 2 strings.

#include
#include
#include
void main()
{
char s1[20], s2[20], temp[20];
clrscr();
printf("Enter 1st String : ");
gets(s1);
printf("Enter 2nd String : ");
gets(s2);
strcpy(temp,s1);
strcpy(s1,s2);
strcpy(s2,temp);
printf("\nString after Swapping :);
printf("\nString1 : %s",s1);
printf("\nString2 : %s",s2);
getch();

}


/*Output
Enter 1st String : Microsoft OS
Enter 2nd String : Intel Processor

Strings after Swapping :
String1 : Intel Processor
String2 : Microsoft OS
*/