On: The Preprocessor Iceberg Meme

[ttoinou]

Why do you need to start with while (0); ?

[calahad → ttoinou]

https://bruceblinn.com/linuxinfo/DoWhile.html

[ttoinou → calahad]

  #define end_element()    \
    while (0);     \
    do {      \
   if (xmlTextWriterEndElement (xo) == -1) { \
     xml_error ("xmlTextWriterEndElement"); \
   }      \
    } while (0)

Talking about the first while (0);