HelenOS sources

_char_continuation_bytes  519 common/str.c   	unsigned int cbytes = _char_continuation_bytes(ch);
_char_continuation_bytes  519 kernel/generic/common/str.c 	unsigned int cbytes = _char_continuation_bytes(ch);
_char_continuation_bytes  519 uspace/lib/c/common/str.c 	unsigned int cbytes = _char_continuation_bytes(ch);
HelenOS homepage, sources at GitHub