is it possible to write a program which prints its own source code utilizing a "sequence-generating-function"?
what i call a sequence-generating-function is simply a function which returns a value out of a specific interval (i.e. printable ascii-charecters (32-126)). the point now is, that this generated sequence should be the programs own source-code. as you see, implementing a function which returns an arbitrary sequence is really trivial, but since the returned sequence must contain the implementation of the function itself it is a highly non-trivial task.
this is how such a program (and its corresponding output) could look like
#include <stdio.h>
int fun(int x) {
ins1;
ins2;
ins3;
.
.
.
return y;
}
int main(void) {
int i;
for ( i=0; i<size of the program; i++ ) {
printf("%c", fun(i));
}
return 0;
}
i personally think it is not possible, but since i don't know very much about the underlying matter i posted my thoughts here.
i'm really looking forward to hear some opinions!
