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Table of Delphi data types and C types

点击次数:53 次 发布日期:2008-11-09 08:35:58 作者:源代码网
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elphi Size/Values C implementation Implementation

ShortInt 8-bit integer signed char typedef
SmallInt 16-bit integer short typedef
LongInt 32-bit integer int typedef
Byte 8-bit unsigned integer unsigned char typedef
Word 16-bit unsigned integer unsigned short typedef
Integer 32-bit integer int typedef
Cardinal 32-bit unsigned integer unsigned int typedef
Boolean true/false bool typedef
ByteBool true/false or 8-bit unsigned integer unsigned char typedef
WordBool true/false or 16-bit unsigned integer unsigned short typedef

LongBool true/false or 32-bit unsigned integer BOOL (WinAPI) typedef
AnsiChar 8-bit unsigned character char typedef
WideChar word-sized Unicode character wchar_t typedef
Char 8-bit unsigned character char typedef
AnsiString Delphi AnsiString AnsiString class

String[n] old style Delphi string, n = 1..255 bytes SmallString<n> template class
ShortString old style Delphi string, 255 bytes SmallString<255> typedef
String Delphi AnsiString AnsiString typedef

Single 32-bit floating point number float typedef
Double 64-bit floating point number double typedef
Extended 80-bit floating point number long double typedef
Real 32-bit floating point number double typedef
Pointer 32-bit generic pointer void * typedef
PChar 32-bit pointer to characters unsigned char * typedef
PAnsiChar 32-bit pointer to ANSI characters unsigned char * typedef
Comp 64-bit floating point number Comp class
OleVariant OLE variant value OleVariant class

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