137     const char first_char = *cur;  in utf32_at_internal()  local
138     if ((first_char & 0x80) == 0) { // ASCII  in utf32_at_internal()
145     char32_t utf32 = first_char;  in utf32_at_internal()
147          (first_char & mask);  in utf32_at_internal()
368         const char first_char = *cur++;  in utf8_length()  local
369         if ((first_char & 0x80) == 0) { // ASCII  in utf8_length()
375         if ((first_char & 0x40) == 0) {  in utf8_length()
383              num_to_read < 5 && (first_char & mask);  in utf8_length()
396         utf32 |= ((~to_ignore_mask) & first_char) << (6 * (num_to_read - 1));  in utf8_length()
459         const char first_char = *cur;  in utf8_to_utf32_length()  local
461         if ((first_char & 0x80) == 0) {  // ASCII  in utf8_to_utf32_length()
466         for (mask = 0x40; (first_char & mask); num_to_skip++, mask >>= 1) {  in utf8_to_utf32_length()