windows mac数据类型区别

windows:

sizeof(char) 1 unsigned int
sizeof(char*) 4 unsigned int
sizeof(int) 4 unsigned int
sizeof(short) 2 unsigned int
sizeof(long) 4 unsigned int
sizeof(float) 4 unsigned int
sizeof(long long) 4 unsigned int
sizeof(long double) 8 unsigned int
sizeof(double) 8 unsigned int
sizeof(double long) CXX0004: 错误: 语法错误

 

sizeof(char)int1

sizeof(char*)int8

sizeof(int)int4

sizeof(short)int2

sizeof(long)int8

sizeof(float)int4

sizeof(long long)int8

sizeof(long double)int16

sizeof(double)int8

sizeof(double long)(null)(null)

sizeof(nsstring)(null)(null)

sizeof(string)(null)(null)