C + + Poco library Chinese Programming Reference Guide (2) basic data type (POCO/TYPES.H)

The base type is in the Poco/types.h header file. The following is an example of GNU/C + + and clang. However, the emphasis is that POCO has excellent cross-platform, you can think of the platform, almost all can run POCO.

1 Signed Integral type

typedef signed Char Int8;

typedef signed short Int16;

typedef signed INT Int32;

2 unsigned integral type

typedef unsigned char UInt8;

typedef unsigned short UInt16;

typedef unsigned int UInt32;

3 pointer or Handler

typedef signed Long INTPTR;

typedef unsigned long uintptr;

4 64-bit integral type

Considering 32-bit machines and 64-bit machines.

#if defined (__lp64__)   
    #define POCO_PTR_IS_64_BIT 1   
    #define POCO_LONG_IS_64_BIT 1   
    typedef signed LONG        Int64;   
    typedef unsigned long      UInt64;   
#else   
    typedef signed Long Long   Int64;   
    typedef unsigned long long UInt64;   
#endif   
#define POCO_HAVE_INT64 1

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