Static storage zone storage address from low to high

Static storage zone storage address from low to high

Union UX

{
Int;
Char ch [2];
} X; // The space is 4 of the int, that is, 00000000 00000000 00000000 00000000. This variable is a global variable and has a static storage area.

Int main ()
{
X. ch [0] = 1; // first save low position 00000000 00000000 00000000
X. ch [1] = 5; // in turn to the high-bit 00000000 00000000 00000101, that is, 00000001

Cout <X. A <Endl; // 1281

X. A = 769; // 00000000 00000000 00000011 00000001
Cout <"x. ch [0] = "<(INT) X. ch [0] <"\ NX. ch [1] = "<(INT) X. ch [1] <Endl; // the low position is 1, followed by 3, followed by 0, 0

Return 0;

}

Note: Stack is stored from high to low