Example: C program to find the Length of a String

C
C++
C#
Java
Python
PHP

// C program to find the Length of a String
#include <stdio.h>

// It's the main function of the program
int main() {
    char str[] = "This is my first program";
    int i;

    // Iterate over the string the count the total characters
    for (i = 0; str[i] != '\0'; i++);

    // Final output of the progrm
    printf("String Length: %d\n", i);
    return 0;
}