libc/private/ctype_private.h

/* $OpenBSD: ctype_private.h,v 1.1 2005/08/08 05:53:00 espie Exp $ */
/* Written by Marc Espie, public domain */
#define CTYPE_NUM_CHARS       256
extern const char _C_ctype_[];
extern const short _C_toupper_[];
extern const short _C_tolower_[];