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數據類型表(DELPHI、C++)

wchar delphi unsigned height lint idt 字符 tab char

delphi整型數據表
Integer -2147483648..2147483647 signed 32-bit
Cardinal 0..4294967295 unsigned 32-bit
Shortint -128..127 signed 8-bit
Smallint -32768..32767 signed 16-bit
Longint -2147483648..2147483647 signed 32-bit
Int64 -2^63..2^63? signed 64-bit
Byte 0..255 unsigned 8-bit
Word 0..65535 unsigned 16-bit
Longword 0..4294967295 unsigned 32-bit

C++
char -128 到 127 或者 0 到 255 1 個字節
unsigned char 0 到 255 1 個字節
signed char -128 到 127 1 個字節
int -2147483648 到 2147483647 4 個字節
unsigned int 0 到 4294967295 4 個字節
signed int -2147483648 到 2147483647 4 個字節
short int -32768 到 32767 2 個字節
unsigned short int 0 到 65,535 2 個字節
signed short int -32768 到 32767 2 個字節
long int -9,223,372,036,854,775,808 到 9,223,372,036,854,775,807 8 個字節
signed long int -9,223,372,036,854,775,808 到 9,223,372,036,854,775,807 8 個字節
unsigned long int 0 to 18,446,744,073,709,551,615 8 個字節
float +/- 3.4e +/- 38 (~7 個數字) 4 個字節
double +/- 1.7e +/- 308 (~15 個數字) 8 個字節
long double +/- 1.7e +/- 308 (~15 個數字) 16 個字節
wchar_t 2 或 4 個字節 1 個寬字符

結束:

數據類型表(DELPHI、C++)