[IRCServices Coding] questions with unreal and sjoin

[Andrew Church]

>i am a little confused with the UNREAL_HACK define. i see the #ifndef/#el
>se in 
>sjoin.c for changing the way it sends the SJOIN.  maybe i dont fully 
>understand the way the modules work, but why is it required to #define 
>do_sjoin, init_sjoin, and exit_sjoin to *_unreal?

     To avoid namespace collisions when compiling modules statically.
Since the functions are used in other files, their symbols must be
exported, and this would cause a symbol name clash if the modules were
statically linked into the executable.

  --Andrew Church
    achurch at achurch.org
    http://achurch.org/