String Length Program in C

Implementation

Now, we shall see the actual implementation of the program −

#include <stdio.h>

int main() {
   char s1[] = "TajMahal";
   int i = 0;
      
   while(s1[i] != '\0') {
      i++;
   }
   
   printf("Length of string '%s' is %d", s1, i);
   
   return 0;
}

Output

Output of this program should be −

Length of string 'TajMahal' is 8