strlen example in C

Header file:

     string.h

Synopsis:

   size_t strlen(char *str);

Description:

   Returns length of string str.

strlen function C example:

  #include<stdio.h>
  #include<string.h>
  int main() {
        char str[100];
        int len;
        strcpy(str, "mastering-c.blogspot.com\n");
        len = strlen(str);
        printf("Length of the given string: %d\n", len);
        return 0;
  }

  Output:

  jp@jp-VirtualBox:~/cpgms/chap5$ ./a.out
  Length of the given string: 25