再入可能なルーチン

char		halloc(				const unsigned char id);
 void		hfree(				char *hex);
 char		*bcltoh_r(				const bclabel_t *label, char *hex);
 har		*bsltoh_r(				const bslabel_t *label, char *hex);
 char		*biltoh_r(				const bilabel_t *label, char *hex);