/* Write a C program that displays the position or index in the string S.
*/

include

include

int main()
{
char s[30], t[20];
char *found;

/* Entering the main string */
puts(“Enter the first string: “);
gets(s);

/* Entering the string whose position or index to be displayed */
puts(“Enter the string to be searched: “);
gets(t);

/*Searching string t in string s */
found=strstr(s,t);
if(found)
printf(“Second String is found in the First String at %d position.\n”,found-s);
else
printf(“-1”);
return 0;
}

OUTPUT:
Enter the first string:
programming9.com
Enter the string to be searched:
gram
Second String is found in the First String at 3 position.