QT5: Pilot articles global definition

I. Introduction

<QtGlobal> header file contains global definitions Qt library, comprising basic data types functions and macros

 

II. Global variable definition

<QtGlobal> defined data types:

Qt data type definition bytes

qint8                           signed char                       1

qint16                         signed short                      2

qint32                         signed int                          4

qingt64                       long long int                      8

qlonglong                   long long int                      8

quint8                         unsigned char                  1

quint16                       unsigned short                 2

quint32                       unsigned int                     4

quint64                       unsigned long long int      8

qulonglong                 unsigned long long int      8

flying unsigned char 1

ushort                         unsigned short                 2

uint                             unsigned int                     4

ulong                          unsigned long                  8

qreal                           double                             8

qfloat16                                                              2

 

III. Global function definition

 

 

IV. Global macro definition