/* utility definitions */

#ifdef _POSIX2_RE_DUP_MAX
#define    DUPMAX    _POSIX2_RE_DUP_MAX
#else
#define    DUPMAX    255
#endif
#define    INFINITY    (DUPMAX + 1)
#define    NC        (CHAR_MAX - CHAR_MIN + 1)
typedef unsigned char uch;

/* switch off assertions (if not already off) if no REDEBUG */
#ifndef REDEBUG
#ifndef NDEBUG
#define    NDEBUG    /* no assertions please */
#endif
#endif
#include <assert.h>

/* for old systems with bcopy() but no memmove() */
#ifdef USEBCOPY
#define    memmove(d, s, c)    bcopy(s, d, c)
#endif