202 lines
6.9 KiB
C
202 lines
6.9 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* irc_string.h: A header for the ircd string functions.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2004 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* $Id: irc_string.h 3538 2007-07-26 14:21:57Z jilles $
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*/
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#ifndef INCLUDED_irc_string_h
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#define INCLUDED_irc_string_h
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#include "setup.h"
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#include "ircd_defs.h"
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/*
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* match - compare name with mask, mask may contain * and ? as wildcards
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* match - returns 1 on successful match, 0 otherwise
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*
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* mask_match - compare one mask to another
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* match_esc - compare with support for escaping chars
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* match_cidr - compares u!h@addr with u!h@addr/cidr
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* match_ips - compares addr with addr/cidr in ascii form
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*/
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extern int match(const char *mask, const char *name);
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extern int mask_match(const char *oldmask, const char *newmask);
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extern int match_esc(const char *mask, const char *name);
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extern int match_cidr(const char *mask, const char *name);
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extern int match_ips(const char *mask, const char *name);
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/*
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* comp_with_mask - compares to IP address
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*/
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int comp_with_mask(void *addr, void *dest, u_int mask);
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int comp_with_mask_sock(struct sockaddr *addr, struct sockaddr *dest, u_int mask);
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/*
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* collapse - collapse a string in place, converts multiple adjacent *'s
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* into a single *.
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* collapse - modifies the contents of pattern
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*
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* collapse_esc() - collapse with support for escaping chars
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*/
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extern char *collapse(char *pattern);
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extern char *collapse_esc(char *pattern);
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/*
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* irccmp - case insensitive comparison of s1 and s2
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*/
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extern int irccmp(const char *s1, const char *s2);
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/*
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* ircncmp - counted case insensitive comparison of s1 and s2
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*/
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extern int ircncmp(const char *s1, const char *s2, int n);
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/*
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** canonize - reduce a string of duplicate list entries to contain
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** only the unique items.
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*/
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#ifdef NO_DUPE_MULTI_MESSAGES
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extern char *canonize(char *);
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#endif
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/*
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* inetntoa - optimized inet_ntoa
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*/
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const char *inetntoa(const char *in_addr);
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/*
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* inetntop()
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* inetpton()
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* portable interfaces for inet_ntop() and inet_pton()
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*/
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const char *inetntop(int af, const void *src, char *dst, unsigned int size);
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int inetpton(int af, const char *src, void *dst);
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const char *inetntop_sock(struct sockaddr *src, char *dst, unsigned int size);
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int inetpton_sock(const char *src, struct sockaddr *dst);
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#ifndef HAVE_STRLCPY
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size_t strlcpy(char *dst, const char *src, size_t siz);
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#endif
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#ifndef HAVE_STRLCAT
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size_t strlcat(char *dst, const char *src, size_t siz);
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#endif
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#ifdef HAVE_STRDUP
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#define DupString(x,y) do { x = strdup(y); if(x == NULL) outofmemory(); } while(0)
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#else
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#define DupString(x,y) do { x = malloc(strlen(y) + 1); if(x == NULL) outofmemory(); strcpy(x, y); } while(0)
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#endif
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#ifdef HAVE_STRNDUP
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#define DupNString(x, y, len) do { x = strndup(y, len); if(x == NULL) outofmemory(); } while (0)
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#else
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#define DupNString(x, y, len) do { x = malloc(len+1); if(x == NULL) outofmemory(); strlcpy(x, y, len+1); } while(0)
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#endif
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/*
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* clean_string - cleanup control and high ascii characters
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* -Dianora
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*/
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char *clean_string(char *dest, const unsigned char *src, size_t len);
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/*
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* strip_colour - remove colour codes from a string
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* -asuffield (?)
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*/
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char *strip_colour(char *string);
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/*
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* strip_tabs - convert tabs to spaces
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* - jdc
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*/
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char *strip_tabs(char *dest, const unsigned char *src, size_t len);
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const char *myctime(time_t);
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#define EmptyString(x) ((x) == NULL || *(x) == '\0')
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#define CheckEmpty(x) EmptyString(x) ? "" : x
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char *strtoken(char **save, char *str, const char *fs);
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unsigned char *ircd_base64_encode(const unsigned char *str, int length);
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unsigned char *ircd_base64_decode(const unsigned char *str, int length, int *ret);
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/*
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* character macros
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*/
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extern const unsigned char ToLowerTab[];
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#define ToLower(c) (ToLowerTab[(unsigned char)(c)])
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extern const unsigned char ToUpperTab[];
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#define ToUpper(c) (ToUpperTab[(unsigned char)(c)])
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extern const unsigned int CharAttrs[];
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#define PRINT_C 0x001
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#define CNTRL_C 0x002
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#define ALPHA_C 0x004
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#define PUNCT_C 0x008
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#define DIGIT_C 0x010
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#define SPACE_C 0x020
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#define NICK_C 0x040
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#define CHAN_C 0x080
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#define KWILD_C 0x100
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#define CHANPFX_C 0x200
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#define USER_C 0x400
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#define HOST_C 0x800
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#define NONEOS_C 0x1000
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#define SERV_C 0x2000
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#define EOL_C 0x4000
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#define MWILD_C 0x8000
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#define LET_C 0x10000 /* an actual letter */
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#define FCHAN_C 0x20000 /* a 'fake' channel char */
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#define IsHostChar(c) (CharAttrs[(unsigned char)(c)] & HOST_C)
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#define IsUserChar(c) (CharAttrs[(unsigned char)(c)] & USER_C)
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#define IsChanPrefix(c) (CharAttrs[(unsigned char)(c)] & CHANPFX_C)
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#define IsChanChar(c) (CharAttrs[(unsigned char)(c)] & CHAN_C)
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#define IsFakeChanChar(c) (CharAttrs[(unsigned char)(c)] & FCHAN_C)
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#define IsKWildChar(c) (CharAttrs[(unsigned char)(c)] & KWILD_C)
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#define IsMWildChar(c) (CharAttrs[(unsigned char)(c)] & MWILD_C)
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#define IsNickChar(c) (CharAttrs[(unsigned char)(c)] & NICK_C)
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#define IsServChar(c) (CharAttrs[(unsigned char)(c)] & (NICK_C | SERV_C))
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#define IsIdChar(c) (CharAttrs[(unsigned char)(c)] & (DIGIT_C | LET_C))
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#define IsLetter(c) (CharAttrs[(unsigned char)(c)] & LET_C)
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#define IsCntrl(c) (CharAttrs[(unsigned char)(c)] & CNTRL_C)
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#define IsAlpha(c) (CharAttrs[(unsigned char)(c)] & ALPHA_C)
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#define IsSpace(c) (CharAttrs[(unsigned char)(c)] & SPACE_C)
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#define IsLower(c) (IsAlpha((c)) && ((unsigned char)(c) > 0x5f))
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#define IsUpper(c) (IsAlpha((c)) && ((unsigned char)(c) < 0x60))
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#define IsDigit(c) (CharAttrs[(unsigned char)(c)] & DIGIT_C)
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#define IsXDigit(c) (IsDigit(c) || ('a' <= (c) && (c) <= 'f') || \
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('A' <= (c) && (c) <= 'F'))
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#define IsAlNum(c) (CharAttrs[(unsigned char)(c)] & (DIGIT_C | ALPHA_C))
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#define IsPrint(c) (CharAttrs[(unsigned char)(c)] & PRINT_C)
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#define IsAscii(c) ((unsigned char)(c) < 0x80)
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#define IsGraph(c) (IsPrint((c)) && ((unsigned char)(c) != 0x32))
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#define IsPunct(c) (!(CharAttrs[(unsigned char)(c)] & \
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(CNTRL_C | ALPHA_C | DIGIT_C)))
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#define IsNonEOS(c) (CharAttrs[(unsigned char)(c)] & NONEOS_C)
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#define IsEol(c) (CharAttrs[(unsigned char)(c)] & EOL_C)
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#endif /* INCLUDED_irc_string_h */
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