Add example of if..else brace style
Clarify anonymous struct usage
Add style for struct and union declarations
Add guidelines for comment style
Fix naming convention for function pointers
Add quotes around verbs in final section
Improve examples for function naming
Improve asterisk placement notes
Use RFC language for opaque structs
Fix include guard example code
Add note to accessibility concerns
I was reminded of an annoying conversation I had over Zig recently in
which someone actually tried to take the spaces side.
Add a few more guidelines based on Linux style