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Elias Pschernig napsal(a):
The new events and display API use a "bool" type (as well as
"true"/"false" constants) - but I can't find any references to either of
those in the C99 standard.
that's simple, just learn to read :-)
"
6.2.5 Types
An object declared as type _Bool is large enough to store the values 0
and 1.
7.16 Boolean type and values <stdbool.h>
The header <stdbool.h> defines four macros.
The macro
bool
expands to _Bool.
The remaining three macros are suitable for use in #if preprocessing
directives. They are
true
which expands to the integer constant 1,
false
which expands to the integer constant 0, and
__bool_true_false_are_defined
which expands to the integer constant 1.
"