How do you write a program which produces its own source code as its output?

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Question :
How do you write a program which produces its own source code as its output?

Category C Interview Questions

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Added on 7/17/2006

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open the selfcopy.c file inside its code---selfcopy.c---#include #include#include main() { FILE *fopen(), *fp; int c ; printf("THE OUTPUT IS THE PROGRAM ITSELFn"); fp = fopen("selfcopy.c","r" ); c= getc( fp ) ; while ( c != EOF ) { putchar( c ); c = getc ( fp ); } fclose( fp ); }

main(){char s[]="main(){char s[]=%c%s%c;printf(s,34,s,34);}";printf(s,34,s,34);}

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