C program to display its own source code as its output

In this program, we are going to share a C Program to Display its own Source Code as its Output. If you are a beginner and want to start learning the C programming, then keep your close attention in this tutorial as I am going to share a C Program to Display its own Source Code as its Output with the output.

Collection of 200+ C problems with solutions.

We have designed this program for beginners for learning purpose. Copy below c program and execute it with c compiler to see the output of the program.

#include <stdio.h>
 
int main()
{
    FILE *fp;
    char ch; 
    fp = fopen(__FILE__,"r");

    do
    {
        ch = getc(fp);
        putchar(ch);
     }

     while (ch != EOF);
     fclose(fp);
     return 0;
}

#include <stdio.h>

int main()

{

FILE *fp;

char ch;

fp = fopen(__FILE__,"r");

{

ch = getc(fp);

putchar(ch);

}

while (ch != EOF);

fclose(fp);

return 0;

}

Program Output

#include <stdio.h>
int main()
{
    FILE *fp;
    char ch; 
    fp = fopen(__FILE__,"r");
    do
    {
        ch = getc(fp);
        putchar(ch);
     }
     while (ch != EOF);
     fclose(fp);
     return 0;
}