C / C++ / MFC

enum BOOL {
    FALSE = 0,
    TRUE
};

//if defined like this :
typedef int BOOL;
 
//this can be a mistake :
BOOL b = 4;
if (b == true) {
    //never enters here
    // because 4 != 1
}

toxcct wrote:

BOOL is different. it is an enum type inherited from the old C days.

it's definition is like this :

enum BOOL {
FALSE = 0,
TRUE
};

Rajesh R Subramanian wrote:

in the Windows world.

toxcct wrote:

0x00000001 (true) or 0x00000000 (false).

toxcct wrote:

doesn't a Byte having 8 bits

// WEIRD BOOL (legal) programming
BOOL b;
b = 1000;
b++;

bool b;
b = 1000; // Warning here (loss of info), at runtime b becomes true.
b++; // at runtime b remains true.

CPallini wrote:

C has not the bool keyword

toxcct wrote:

but one has to be careful with BOOL, as I stated at the end of my most here[^]

toxcct wrote:

looks like it has[^]

CPallini wrote:

I saw it, but: shhhhhh, noone, except Nemanja, knows.

toxcct wrote:

if you're coding in C, bool just don't exist

Mushq wrote:

actually I want to do that in C++,