CHECK: Comparison to NULL could be written "!str_cpy"
CHECK: Comparison to NULL could be written "token"
CHECK: spaces preferred around that '|' (ctx:VxV)
WARNING: Missing a blank line after declarations
WARNING: line length of 102 exceeds 80 columns
WARNING: line length of 103 exceeds 80 columns
WARNING: line length of 109 exceeds 80 columns
WARNING: line length of 87 exceeds 80 columns