64-bit computing - Wikipedia, the free encyclopedia
64-bit data models Data model short (integer) int long (integer) long long pointers/ size_t Sample operating systems LLP64/ IL32P64 16 32 32 64 64 Microsoft Windows (x86-64 and IA-64) LP64/ I32LP64 16 32 64 64 64 Most Unix and Unix-like systems, e.g. Sola...