The text replacement is done where the macro is used, not where you wrote the #define
. At the point you use FOO
, it replaces FOO
with NUM
and NUM
is currently defined to be 20
.
The text replacement is done where the macro is used, not where you wrote the #define
. At the point you use FOO
, it replaces FOO
with NUM
and NUM
is currently defined to be 20
.