-#ifdef I_FAILED_TO_RTFM_RFC3629
- if ((unsigned)*s-0x80 >= 0x40) goto ilseq;
- c = (c<<6) | *s++-0x80;
- if (!(c&(1U<<31))) break;
-
- if ((unsigned)*s-0x80 >= 0x40) goto ilseq;
- c = (c<<6) | *s++-0x80;
- if (!(c&(1U<<31))) break;
-#endif
-
- if ((unsigned)*s-0x80 >= 0x40) goto ilseq;