Understanding strlen() functionWrite the correct output for the below blankC code?#include <stdio.h>#include <string.h>int main() { printf("%d\n", strlen("123456")); return 0;}Output:

Understanding strlen() functionWrite the correct output for the below blankC code?#include <stdio.h>#include <string.h>int main() { printf("%d\n", strlen("123456")); return 0;}Output:

Identify the strlen( ) function code.

What is the output of the following code?char str[] = "hello";int len = strlen(str);printf("%d\n", len);

What will be the output of the following C code? #include <stdio.h> #include <string.h> int main() { char *str = "hello, world"; char str1[9]; strncpy(str1, str, 9); printf("%s %d", str1, strlen(str1)); }

What will be the output of the following C code?