適当に　> a.wavとかして聞いてあそぶ用

wavtest.c

#include<stdio.h>
#define LENGTH (65536)
#define RATE 8000
#define CH 1
#define BIT 8

void push_header(){
	int i;
	printf("RIFF");
	for(i=0;i<4;i++)putchar(((LENGTH+36)>>(8*i))&0xff);//filesize
	printf("WAVEfmt ");
	putchar(0x10);putchar(0);putchar(0);putchar(0);//pcm
	putchar(1);putchar(0);//pcm
	putchar(CH);putchar(0);//mono
	for(i=0;i<4;i++)putchar(((RATE)>>(8*i))&0xff);//byte/sec
	for(i=0;i<4;i++)putchar((((RATE*CH*BIT)>>3)>>(8*i))&0xff);//blk_size
	putchar((CH*BIT)>>3);putchar(0);//bit/sample
	putchar(BIT);putchar(0);//bit
	printf("data");
	for(i=0;i<4;i++)putchar(((LENGTH)>>(8*i))&0xff);//filesize
}


int main(){
 int t=0;
 push_header();
 while(t++<LENGTH)
 putchar(
  ((t*(t>>8|t>>5))>>(t>>16))&((t>>4)>>(t>>16))
 );
 return 0;
}