redome
     hotel.h----------------------------------------------------------------------------|	
	|hotelmain.c------------------------------------------------------------|	|
	|	|inputmain.c--------------------------------------------|	|	|
	|	|	|						|	|	|
	|	|	|	input.c	reservation.c			|	|	|
	|	|	|		delete.c			|	|	|
	|	|	|						|	|	|
	|	|	|						|	|	|
	|	|	-------------------------------------------------	|	|
	|	|								|	|			
	|	|outputmain.c--------------------------------------------	|	|
	|	|	|						|	|	|
	|	|	|	output.c	sale.c			|	|	|
	|	|	|						|	|	|
	|	|	|						|	|	|
	|	|	-------------------------------------------------	|	|
	|	|								|	|
	|	|searchmain.c-------------------------------------------|	|	|
	|	|	|						|	|	|
	|	|	|						|	|	|
	|	|	|	search.c	searchcustom.c		|	|	|
	|	|	|						|	|	|
	|	|	|						|	|	|
	|	|	|------------------------------------------------	|	|
	|	|								|	|
	|	|			revision.c				|	|
	|	|								|	|
	|	-----------------------------------------------------------------	|
	|										|
	|										|
	|										|
	---------------------------------------------------------------------------------
	
	外部保存として：customer.txt     //宿泊者情報
		     ：reservation.txt //予約者情報