Here's an example to get you started. Compile and run with ./progname | tee /dev/tty | aplay you can also pipe it into other programs like xxd: ./progname | xx

Here's an example to get you started. Compile and run with ./progname | tee /dev/tty | aplay you can also pipe it into other programs like xxd: ./progname | xxd | tee /dev/tty | aplay #include <stdio.h> #include <math.h> int main() { int t; for ( t=0; ; t++ ) putchar( t*((t>>7|t>>13)&73&t>>6) ); }