RUBY_ENC_CODERANGE_MASK 77 include/ruby/encoding.h #define RB_ENC_CODERANGE(obj) ((int)RBASIC(obj)->flags & RUBY_ENC_CODERANGE_MASK) RUBY_ENC_CODERANGE_MASK 81 include/ruby/encoding.h (RBASIC(obj)->flags & ~RUBY_ENC_CODERANGE_MASK) | (cr)) RUBY_ENC_CODERANGE_MASK 97 include/ruby/encoding.h #define ENC_CODERANGE_MASK RUBY_ENC_CODERANGE_MASK