Question About Boolean

[boylemonlaw]

Can anyone please tell me which library should i include to use

the key work "bool"


Thank You

[Prelude]

That would be <stdbool.h> if you use C99. If you don't, either use C++ which defines bool as a built in keyword, or define it yourself something like this:

typedef enum { BFALSE, BTRUE } bool_t;