/*?**************************
?*?The?cd?command?of?shell
?*?*************************/

#include?“main.h“

int?cds（const?char?*p）
{
	char?path[PATH_SIZE];
	char?*start;
	char?*end;
	int?res;
	int?n=?0;

	memset（path‘\0‘PATH_SIZE）;?//?must?init?ohtrway?there?is?a?wrong?result?with?@
	
	start?=?strchr