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Sunday, November 20, 2016

How to Display A programs own Source Code as Output in C programming Language

Though you may think that is problem is quite complex but actually ,the concept behind this program is very simple.

A predefined macro __FILE__ contains the location of a C programming file.we will be using this macro in our program.

Source Code-

#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-

Available link for download