C program to demonstrate use of string length - strlen() function.

The strlen() function can be used to count total number of characters in a given string.

//This program will count total characters in given string. #include<stdio.h> #include<string.h> int main() {   char str[20];   int len=0;      printf("Enter your string: ");   gets(str);      len=strlen(str);      printf("Total characters in %s is :%d",str,len);   return 0; } //Output of program Enter your string: ahmedabad Total characters in ahmedabad is :9