CHECK: Comparison to NULL could be written "!conn"
CHECK: Comparison to NULL could be written "!rbconn"
WARNING: line length of 81 exceeds 80 columns
WARNING: line length of 83 exceeds 80 columns
WARNING: line length of 84 exceeds 80 columns
WARNING: line length of 88 exceeds 80 columns
WARNING: line length of 89 exceeds 80 columns