Quine – a self-replicating program

Quines are computer programs that accept no input and write its own source code on the standard output.  This entry was taken from the Jargon File, the author is unknown.

char*f="char*f=%c%s%c;main()
{printf(f,34,f,34,10);}%c";
main(){printf(f,34,f,34,10);}