ifdef??

Правка en1, от lusho, 2017-02-08 05:05:42

i have seen in different codes this instruction

ifdef ......

...

endif

and my question is what does it mean?

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en2 Английский lusho 2017-02-08 05:08:34 9
en1 Английский lusho 2017-02-08 05:05:42 125 Initial revision (published)