CHECK: extern prototypes should be avoided in .h files
WARNING: line length of 101 exceeds 80 columns
WARNING: line length of 82 exceeds 80 columns
WARNING: line length of 89 exceeds 80 columns
WARNING: line length of 93 exceeds 80 columns
WARNING: line length of 95 exceeds 80 columns
WARNING: line length of 99 exceeds 80 columns