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utils.h

/* 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

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