CHECK: Concatenated strings should use spaces between elements WARNING: Missing a blank line after declarations WARNING: Prefer 'fallthrough;' over fallthrough comment WARNING: Prefer 'unsigned int' to bare use of 'unsigned' WARNING: Prefer 'unsigned long long' over 'unsigned long long int' as the int is unnecessary WARNING: Prefer __noreturn over __attribute__((noreturn)) WARNING: Prefer __printf(1, 2) over __attribute__((format(printf, 1, 2))) WARNING: Prefer __printf(2, 0) over __attribute__((format(printf, 2, 0))) WARNING: Prefer __printf(2, 3) over __attribute__((format(printf, 2, 3))) WARNING: __always_unused or __maybe_unused is preferred over __attribute__((__unused__)) WARNING: do not add new typedefs WARNING: function definition argument 'void' should also have an identifier name WARNING: line length of 81 exceeds 80 columns WARNING: line length of 84 exceeds 80 columns WARNING: line length of 85 exceeds 80 columns