CHECK: No space is necessary after a cast
CHECK: spaces preferred around that '*' (ctx:WxV)
WARNING: Missing a blank line after declarations
WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
WARNING: line length of 81 exceeds 80 columns
WARNING: line length of 92 exceeds 80 columns
WARNING: line length of 96 exceeds 80 columns