C83Datatype

A comprehensive universal data type system for C and C++

3rd edition of the library

part of the C83Project
support for 8.3 file naming conventions with the exception of the main include and code files
support C89 and higher editions

C/C++ data types

    VOID, Void, void

    BOOL, Bool, bool                        /* values TRUE, True, true, FALSE, False, false */

    INT8,  Int8,  int8                      /*  8 bit data types */
    INT16, Int16, int16                     /* 16 bit data types */
    INT32, Int32, int32                     /* 32 bit data types */
    INT64, Int64, int64                     /* 64 bit data types, since C99/C++11 */

    UINT8,  UInt8,  uint8                   /*  8 bit data types */
    UINT16, UInt16, uint16                  /* 16 bit data types */
    UINT32, UInt32, uint32                  /* 32 bit data types */
    UINT64, UInt64, uint64                  /* 64 bit data types, since C99/C++11 */

    FLOATSHORT,  FloatShort,  floatshort    /* float */
    FLOATMIDDLE, FloatMiddle, floatmiddle   /* double */
    FLOATLONG,   FloatLong,   floatlong     /* long double */

    CHAR, Char, char
    WCHAR, WChar, wchar                     /* since C95/C++98 */

and conversion macros - get

    #define LOUINT8(ui16)       ...
    #define HIUINT8(ui16)       ...

    #define LOUINT16(ui32)      ...
    #define HIUINT16(ui32)      ...

    #define LOUINT32(ui64)      ...         /* since C99/C++11 */
    #define HIUINT32(ui64)      ...         /* since C99/C++11 */

and conversion macros - make

    #define MAKEUINT8(hi,lo)    ...

    #define MAKEUINT16(hi,lo)   ...

    #define MAKEUINT32(hi,lo)   ...

    #define MAKEUINT64(hi,lo)   ...         /* since C99/C++11 */

WORD data types

    WORD8,  Word8,  word8                   /*  8 bit data types */
    WORD16, Word16, word16                  /* 16 bit data types */
    WORD32, Word32, word32                  /* 32 bit data types */
    WORD64, Word64, word64                  /* 64 bit data types, since C99/C++11 */

and conversion macros - get

    #define LOWORD8(w16)        ...
    #define HIWORD8(w16)        ...

    #define LOWORD16(w32)       ...
    #define HIWORD16(w32)       ...

    #define LOWORD32(w64)       ...         /* since C99/C++11 */
    #define HIWORD32(w64)       ...         /* since C99/C++11 */

and conversion macros - make

    #define MAKEWORD8(hi,lo)    ...

    #define MAKEWORD16(hi,lo)   ...

    #define MAKEWORD32(hi,lo)   ...

    #define MAKEWORD64(hi,lo)   ...         /* since C99/C++11 */

CPU data types

    BYTE,  Byte,  byte                      /*  8 bit data type */
    WORD,  Word,  word                      /* 16 bit data type */
    DWORD, DWord, dword                     /* 32 bit data type */
    QWORD, QWord, qword                     /* 64 bit data type, since C99/C++11 */

and conversion macros - get

    #define LONIBBLE(byte)      ...
    #define HINIBBLE(byte)      ...

    #define LOBYTE(word)        ...
    #define HIBYTE(word)        ...

    #define LOWORD(dword)       ...
    #define HIWORD(dword)       ...

    #define LODWORD(qword)      ...         /* since C99/C++11 */
    #define HIDWORD(qword)      ...         /* since C99/C++11 */

and conversion macros - make

    #define MAKEBYTE(hi,lo)     ...

    #define MAKEWORD(hi,lo)     ...

    #define MAKEDWORD(hi,lo)    ...

    #define MAKEQWORD(hi,lo)    ...         /* since C99/C++11 */

Note: these macros are not compatible with the macros in the "minwindef.h" file in windows

Updates

2025 11 02 Detailed description
2025 11 19 This readme.md updated, C style comments added
2026 01 07 C89 signed ints defined implicitly using the keyword signed
2026 01 07 hi parameter in make macros enclosed in parentheses ()
2026 01 10 MAKE macros modified to be more robust
2026 01 10 #include "TInteger.h" added to TWord.h
2026 01 10 #include "TInteger.h" added to TCpu.h
2026 01 10 CPU data types section Note added