It¹s part of ANSI C, and is described in K&R. Matthew On 9/30/15, 1:25 PM, "linux-c-programming-owner@xxxxxxxxxxxxxxx on behalf of Daniel." <linux-c-programming-owner@xxxxxxxxxxxxxxx on behalf of danielhilst@xxxxxxxxx> wrote: >Hi all, > >I used to check definitions with #ifdef, but in cases where >multiple macros are checked I use #if defined(foo) && defined(bar). >Is this defined() check portable/standard? Or is some kind of >extension added by GCC? > >Regards, >- dhs >-- >"Do or do not. There is no try" > Yoda Master >-- >To unsubscribe from this list: send the line "unsubscribe >linux-c-programming" in >the body of a message to majordomo@xxxxxxxxxxxxxxx >More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
