//?sin.cpp?:?Defines?the?entry?point?for?the?console?application.
#include?
#include?
#include?
#include?
#include?

#define?PI?3.1425926

int?main（）
{
????char?*sine_buf??=（char?*）?malloc（100000?*?sizeof（char））;
????int?i;
????struct?bb
????{
????????char			RiffID[4];		//?‘R‘‘I‘‘F‘‘F‘	“RIFF“標志
????????int				RiffSize;		//?文件長度（WAVE文件的大小?不含前8個字節）
????????char			RiffFormat[4];	//?‘W‘‘A‘‘V‘‘E‘	“WAVE“標志
????????char			FmtID[4];		//?‘f‘‘m‘‘t‘‘?‘?“fmt?“標志
????????int				FmtSize;		//過渡字節（不定）16?for?PCM.?This?is?the?size?of?the?rest?of?the?Subchunk?which?follows?this?number.
????????unsigned?short	FormatTag;		//格式類別?當FormatTag=1，用的就是非壓縮格式。
????????unsigned?short	Channels;		//通道數（單聲道為1?雙聲道為2）
????????int				SamplesPerS