Win32编程常见字符类型（摘自MSDN）

LPCSTR

Pointer to a constant null-terminated string of 8-bit Windows (ANSI) characters. For more information, see Character Sets Used By Fonts. This type is declared in WinNT.h as follows: typedef __nullterminated CONST CHAR *LPCSTR;

指向以NULL结尾的const ansi字符串（每个字符为8位）

LPCWSTR

Pointer to a constant null-terminated string of 16-bit Unicode characters. For more information, see Character Sets Used By Fonts. This type is declared in WinNT.h as follows: typedef CONST WCHAR *LPCWSTR;

指向以NULL结尾的const unicode字符串（每个字符为16位）

LPCTSTR

An LPCWSTR if UNICODE is defined, an LPCSTR otherwise. This type is declared in WinNT.h as follows: #ifdef UNICODE typedef LPCWSTR LPCTSTR; #else typedef LPCSTR LPCTSTR; #endif

可在LPCSTR和LPCWSTR两种数据类型间转换，取决于与预处理宏UNICODE的定义与否

LPSTR

Pointer to a null-terminated string of 8-bit Windows (ANSI) characters. For more information, see Character Sets Used By Fonts. This type is declared in WinNT.h as follows: typedef CHAR *LPSTR;

指向以NULL结尾的ansi字符串 （每个字符为8位）

LPWSTR

Pointer to a null-terminated string of 16-bit Unicode characters. For more information, see Character Sets Used By Fonts. This type is declared in WinNT.h as follows: typedef WCHAR *LPWSTR;

指向以NULL结尾的unicode字符串（每个字符为16位）

LPTSTR

An LPWSTR if UNICODE is defined, an LPSTR otherwise. This type is declared in WinNT.h as follows: #ifdef UNICODE typedef LPWSTR LPTSTR; #else typedef LPSTR LPTSTR; #endif

可在LPSTR和LPWSTR两种数据类型间转换，取决于与预处理宏UNICODE的定义与否

TCHAR

A WCHAR if UNICODE is defined, a CHAR otherwise. This type is declared in WinNT.h as follows: #ifdef UNICODE typedef WCHAR TCHAR; #else typedef char TCHAR; #endif

可在char和wchar之间转换，取决于与预处理宏UNICODE的定义与否

助记字母：

LP – long pointer （32位指针，win32编程指针都为LP）

C – constant

W – wide（UNICODE宽字符）

T – transferable （可转换的）