Program which produces its own source code as output.

This c program produces its own source code as its output

such a program is called a quine.This kind of program takes no input and produces a copy of its own source code as its only output.

#include <stdio.h>

int main(){

FILE  *fp;

char c;

fp=fopen(_FILE_,"r");

do{

       c=getc(fp);

       putchar(c);

}while(c!=EOF)

fclose(fp);

return 0;

}

output

#include <stdio.h>

int main(){

FILE  *fp;

char c;

fp=fopen(_FILE_,"r");

do{

       c=getc(fp);

       putchar(c);

}while(c!=EOF)

fclose(fp);

return 0;

}