//#define ReadChar()		FGetC(Input())
#define WriteChar(c)		FPutC(Output(),(c))
#define UnReadChar(c)		UnGetC(Input(),(c))
#define ReadChars(buf,num)	FRead(Input(),(buf),1,(num))
#define ReadLn(buf,len)		FGets(Input(),(buf),(len))
#define WriteStr(s)		FPuts(Output(),(s))
#define VWritef(format,argv)	VFWritef(Output(),(format),(argv))

#define BUF_LINE 	0
#define BUF_FULL 	1
#define BUF_NONE 	2
#define ENDSTREAMCH 	-1
