I visit CERT C secure coding standard from time to time to check for some complementary solutions.
C secure coding standard
Left hand comparison was brought up during the discussion, here's adaptation from NetBSD coding style page:
C coding standart [users.ece.cmu.edu/~eno]
Google chromium coding style [dev.chromium.org]
This particular was mainly because I was looking for something regarding C++, like macro DISALLOW_COPY_AND_ASSIGN, very informative webpage for developers !