Freshmeat page: http://freshmeat.net/projects/scribe
scribe re-writes function prototypes for C code so you don't have to.
It's smart enough to 'extern' function calls between source code files. Its default configuration is to write a file with prototypes in it you can #include in your own source. There are more customization switches than I care to mention here. Check it out. You might find it useful.
This project has the following developers:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
Keep up with the latest Advogato features by reading the Advogato status blog.
If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!