c4_2.h

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#if !defined(AFX_C4_2_H__4C71B99C_CCCF_404B_9868_880F51DED123__INCLUDED_)
#define AFX_C4_2_H__4C71B99C_CCCF_404B_9868_880F51DED123__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#ifndef __AFXWIN_H__
	#error include 'stdafx.h' before including this file for PCH
#endif
// c4-2.h 串的堆分配存储
 struct HString
 {
   char *ch; // 若是非空串,则按串长分配存储区,否则ch为NULL
   int length; // 串长度
 };
 Status StrAssign(HString &T,char *chars);

 Status StrCopy(HString &T,HString S);
 Status StrEmpty(HString S);

 int StrCompare(HString S,HString T);

 int StrLength(HString S);
 Status ClearString(HString &S);
 Status Concat(HString &T,HString S1,HString S2);
 Status SubString(HString &Sub, HString S,int pos,int len);

 void InitString(HString &T);
 int Index(HString S,HString T,int pos) ;// 算法4.1
 Status StrInsert(HString &S,int pos,HString T); // 算法4.4;

 Status StrDelete(HString &S,int pos,int len);
 Status Replace(HString &S,HString T,HString V);
 void DestroyString();
 void StrPrint(HString T);

#endif // !defined(AFX_C4_2_H__4C71B99C_CCCF_404B_9868_880F51DED123__INCLUDED_)