Example: C Program to Display its own Source Code as Output

C
C++
C#
Java
Python
PHP

// C program to Display its own Source Code as Output
#include <stdio.h>

// It's the main function of the program
int main() {
    FILE *file_pointer;
    int program_character;
   
    // Step-1 Open the current file as an input
    file_pointer = fopen(__FILE__,"r");

    // Step-2 Read character's from the input file & Then display these characters on time
    do {
        program_character = getc(file_pointer);
        putchar(program_character);
    }
    while (program_character != EOF);  // Loop will stop until the end of the file is reached
    
    // Step-3 Close the input file
    fclose(file_pointer);
    printf("\n");
    return 0;
}