How to Display A program's 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-

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#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-