int在32/64位系统中的字节数

 

64-bit data models
Data model short (integer) int long (integer) long long pointers,
size_t
Sample operating systems
SILP64 64 64 64 64 64 Classic UNICOS[41] (versus UNICOS/mp, etc.)
ILP64 16 64 64 64 64 HAL Computer Systems port of Solaris to the SPARC64
LLP64,
IL32P64
16 32 32 64 64 Microsoft Windows (x86-64 and IA-64) using Visual C++; and MinGW
LP64,
I32LP64
16 32 64 64 64 Most Unix and Unix-like systems, e.g., Solaris, Linux, BSD, macOS. Windows when using Cygwin; z/OS

参考链接


32位和64位系统区别及int字节数
64-Bit Programming Models: Why LP64?
64-bit computing
What decides the sizeof an integer?

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