[Bug-gnulib] addition: c-ctype.h, c-ctype.c

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[Bug-gnulib] addition: c-ctype.h, c-ctype.c

From:	Bruno Haible
Subject:	[Bug-gnulib] addition: c-ctype.h, c-ctype.c
Date:	Mon, 27 Jan 2003 21:18:46 +0100 (CET)
Hi,

The c-ctype module provides the equivalent of <ctype.h> for the C
locale, using ASCII characters only. It is useful for some limited
areas where locale dependency is not desired but speed is wanted,
e.g. when parsing a file (assembler, Emacs Lisp etc).

The module's functions, except c_isascii, should also work on EBCDIC
hosts, but the compiled code will be less efficient than for ASCII.

gcc's libiberty contains a similar file, called safe-ctype.h but I
don't want to use this because:

  - "safe-ctype" is a misnomer - there is nothing unsafe about using
    <ctype.h>,
  - safe-ctype.h and ctype.h may not be used simultaneously,
  - safe-ctype.h defines ISPRINT etc. which usually denote the
    locale aware isprint function, which some 8-bit-clean fixup,
  - The functions is safe-ctype.h don't support the EOF argument,
    unlike <ctype.h> and c-ctype.h.

Any objections?

Bruno

=============================== c-ctype.h ===============================
/* Character handling in C locale.

   These functions work like the corresponding functions in <ctype.h>,
   except that they have the C (POSIX) locale hardwired, whereas the
   <ctype.h> functions' behaviour depends on the current locale set via
   setlocale.

   Copyright (C) 2000-2002 Free Software Foundation, Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#ifndef C_CTYPE_H
#define C_CTYPE_H

#include <stdbool.h>


/* Check whether the ASCII optimizations apply. */

#if ('0' <= '9') \
    && ('0' + 1 == '1') && ('1' + 1 == '2') && ('2' + 1 == '3') \
    && ('3' + 1 == '4') && ('4' + 1 == '5') && ('5' + 1 == '6') \
    && ('6' + 1 == '7') && ('7' + 1 == '8') && ('8' + 1 == '9')
#define C_CTYPE_CONSECUTIVE_DIGITS 1
#endif

#if ('A' <= 'Z') \
    && ('A' + 1 == 'B') && ('B' + 1 == 'C') && ('C' + 1 == 'D') \
    && ('D' + 1 == 'E') && ('E' + 1 == 'F') && ('F' + 1 == 'G') \
    && ('G' + 1 == 'H') && ('H' + 1 == 'I') && ('I' + 1 == 'J') \
    && ('J' + 1 == 'K') && ('K' + 1 == 'L') && ('L' + 1 == 'M') \
    && ('M' + 1 == 'N') && ('N' + 1 == 'O') && ('O' + 1 == 'P') \
    && ('P' + 1 == 'Q') && ('Q' + 1 == 'R') && ('R' + 1 == 'S') \
    && ('S' + 1 == 'T') && ('T' + 1 == 'U') && ('U' + 1 == 'V') \
    && ('V' + 1 == 'W') && ('W' + 1 == 'X') && ('X' + 1 == 'Y') \
    && ('Y' + 1 == 'Z')
#define C_CTYPE_CONSECUTIVE_UPPERCASE 1
#endif

#if ('a' <= 'z') \
    && ('a' + 1 == 'b') && ('b' + 1 == 'c') && ('c' + 1 == 'd') \
    && ('d' + 1 == 'e') && ('e' + 1 == 'f') && ('f' + 1 == 'g') \
    && ('g' + 1 == 'h') && ('h' + 1 == 'i') && ('i' + 1 == 'j') \
    && ('j' + 1 == 'k') && ('k' + 1 == 'l') && ('l' + 1 == 'm') \
    && ('m' + 1 == 'n') && ('n' + 1 == 'o') && ('o' + 1 == 'p') \
    && ('p' + 1 == 'q') && ('q' + 1 == 'r') && ('r' + 1 == 's') \
    && ('s' + 1 == 't') && ('t' + 1 == 'u') && ('u' + 1 == 'v') \
    && ('v' + 1 == 'w') && ('w' + 1 == 'x') && ('x' + 1 == 'y') \
    && ('y' + 1 == 'z')
#define C_CTYPE_CONSECUTIVE_LOWERCASE 1
#endif

#if (' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
    && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
    && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
    && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
    && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
    && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
    && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
    && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
    && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
    && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
    && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
    && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
    && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
    && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
    && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
    && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
    && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
    && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
    && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
    && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
    && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
    && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
    && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126)
/* The character set is ISO-646, not EBCDIC. */
#define C_CTYPE_ASCII 1
#endif


/* Function declarations. */

extern bool c_isascii (int c); /* not locale dependent */

extern bool c_isalnum (int c);
extern bool c_isalpha (int c);
extern bool c_isblank (int c);
extern bool c_iscntrl (int c);
extern bool c_isdigit (int c);
extern bool c_islower (int c);
extern bool c_isgraph (int c);
extern bool c_isprint (int c);
extern bool c_ispunct (int c);
extern bool c_isspace (int c);
extern bool c_isupper (int c);
extern bool c_isxdigit (int c);

extern int c_tolower (int c);
extern int c_toupper (int c);


#if defined __GNUC__ && defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__

/* ASCII optimizations. */

#define c_isascii(c) \
  ({ int __c = (c); \
     ((__c & ~0x7f) == 0); \
   })

#if C_CTYPE_CONSECUTIVE_DIGITS \
    && C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
#define c_isalnum(c) \
  ({ int __c = (c); \
     ((__c >= '0' && __c <= '9') \
      || (__c >= 'A' && __c <= 'Z') \
      || (__c >= 'a' && __c <= 'z')); \
   })
#endif

#if C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
#define c_isalpha(c) \
  ({ int __c = (c); \
     ((__c >= 'A' && __c <= 'Z') || (__c >= 'a' && __c <= 'z')); \
   })
#endif

#define c_isblank(c) \
  ({ int __c = (c); \
     (__c == ' ' || __c == '\t'); \
   })

#if C_CTYPE_ASCII
#define c_iscntrl(c) \
  ({ int __c = (c); \
     ((__c & ~0x1f) == 0 || __c == 0x7f); \
   })
#endif

#if C_CTYPE_CONSECUTIVE_DIGITS
#define c_isdigit(c) \
  ({ int __c = (c); \
     (__c >= '0' && __c <= '9'); \
   })
#endif

#if C_CTYPE_CONSECUTIVE_LOWERCASE
#define c_islower(c) \
  ({ int __c = (c); \
     (__c >= 'a' && __c <= 'z'); \
   })
#endif

#if C_CTYPE_ASCII
#define c_isgraph(c) \
  ({ int __c = (c); \
     (__c >= '!' && __c <= '~'); \
   })
#endif

#if C_CTYPE_ASCII
#define c_isprint(c) \
  ({ int __c = (c); \
     (__c >= ' ' && __c <= '~'); \
   })
#endif

#if C_CTYPE_ASCII
#define c_ispunct(c) \
  ({ int _c = (c); \
     (c_isgraph (_c) && ! c_isalnum (_c)); \
   })
#endif

#define c_isspace(c) \
  ({ int __c = (c); \
     (__c == ' ' || __c == '\t' \
      || __c == '\n' || __c == '\v' || __c == '\f' || __c == '\r'); \
   })

#if C_CTYPE_CONSECUTIVE_UPPERCASE
#define c_isupper(c) \
  ({ int __c = (c); \
     (__c >= 'A' && __c <= 'Z'); \
   })
#endif

#if C_CTYPE_CONSECUTIVE_DIGITS \
    && C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
#define c_isxdigit(c) \
  ({ int __c = (c); \
     ((__c >= '0' && __c <= '9') \
      || (__c >= 'A' && __c <= 'F') \
      || (__c >= 'a' && __c <= 'f')); \
   })
#endif

#if C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
#define c_tolower(c) \
  ({ int __c = (c); \
     (__c >= 'A' && __c <= 'Z' ? __c - 'A' + 'a' : __c); \
   })
#define c_toupper(c) \
  ({ int __c = (c); \
     (__c >= 'a' && __c <= 'z' ? __c - 'a' + 'A' : __c); \
   })
#endif

#endif /* optimizing for speed */

#endif /* C_CTYPE_H */
=============================== c-ctype.c ===============================
/* Character handling in C locale.

   Copyright 2000-2002 Free Software Foundation, Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

/* Specification.  */
#include "c-ctype.h"

#undef c_isalnum
#undef c_isalpha
#undef c_isascii
#undef c_isblank
#undef c_iscntrl
#undef c_isdigit
#undef c_islower
#undef c_isgraph
#undef c_isprint
#undef c_ispunct
#undef c_isspace
#undef c_isupper
#undef c_isxdigit
#undef c_tolower
#undef c_toupper

/* The function isascii is not locale dependent. Its use in EBCDIC is
   questionable. */
bool
c_isascii (int c)
{
  return ((c & ~0x7f) == 0);
}

bool
c_isalnum (int c)
{
#if C_CTYPE_CONSECUTIVE_DIGITS \
    && C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
  return ((c >= '0' && c <= '9')
          || (c >= 'A' && c <= 'Z')
          || (c >= 'a' && c <= 'z'));
#else
  switch (c)
    {
    case '0': case '1': case '2': case '3': case '4': case '5':
    case '6': case '7': case '8': case '9':
    case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
    case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
    case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
    case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
    case 'Y': case 'Z':
    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
    case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
    case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
    case 's': case 't': case 'u': case 'v': case 'w': case 'x':
    case 'y': case 'z':
      return 1;
    default:
      return 0;
    }
#endif
}

bool
c_isalpha (int c)
{
#if C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
  return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'));
#else
  switch (c)
    {
    case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
    case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
    case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
    case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
    case 'Y': case 'Z':
    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
    case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
    case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
    case 's': case 't': case 'u': case 'v': case 'w': case 'x':
    case 'y': case 'z':
      return 1;
    default:
      return 0;
    }
#endif
}

bool
c_isblank (int c)
{
  return (c == ' ' || c == '\t');
}

bool
c_iscntrl (int c)
{
#if C_CTYPE_ASCII
  return ((c & ~0x1f) == 0 || c == 0x7f);
#else
  switch (c)
    {
    case ' ': case '!': case '"': case '#': case '$': case '%':
    case '&': case '\'': case '(': case ')': case '*': case '+':
    case ',': case '-': case '.': case '/':
    case '0': case '1': case '2': case '3': case '4': case '5':
    case '6': case '7': case '8': case '9':
    case ':': case ';': case '<': case '=': case '>': case '?':
    case '@':
    case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
    case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
    case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
    case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
    case 'Y': case 'Z':
    case '[': case '\\': case ']': case '^': case '_': case '`':
    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
    case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
    case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
    case 's': case 't': case 'u': case 'v': case 'w': case 'x':
    case 'y': case 'z':
    case '{': case '|': case '}': case '~':
      return 0;
    default:
      return 1;
    }
#endif
}

bool
c_isdigit (int c)
{
#if C_CTYPE_CONSECUTIVE_DIGITS
  return (c >= '0' && c <= '9');
#else
  switch (c)
    {
    case '0': case '1': case '2': case '3': case '4': case '5':
    case '6': case '7': case '8': case '9':
      return 1;
    default:
      return 0;
    }
#endif
}

bool
c_islower (int c)
{
#if C_CTYPE_CONSECUTIVE_LOWERCASE
  return (c >= 'a' && c <= 'z');
#else
  switch (c)
    {
    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
    case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
    case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
    case 's': case 't': case 'u': case 'v': case 'w': case 'x':
    case 'y': case 'z':
      return 1;
    default:
      return 0;
    }
#endif
}

bool
c_isgraph (int c)
{
#if C_CTYPE_ASCII
  return (c >= '!' && c <= '~');
#else
  switch (c)
    {
    case '!': case '"': case '#': case '$': case '%': case '&':
    case '\'': case '(': case ')': case '*': case '+': case ',':
    case '-': case '.': case '/':
    case '0': case '1': case '2': case '3': case '4': case '5':
    case '6': case '7': case '8': case '9':
    case ':': case ';': case '<': case '=': case '>': case '?':
    case '@':
    case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
    case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
    case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
    case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
    case 'Y': case 'Z':
    case '[': case '\\': case ']': case '^': case '_': case '`':
    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
    case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
    case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
    case 's': case 't': case 'u': case 'v': case 'w': case 'x':
    case 'y': case 'z':
    case '{': case '|': case '}': case '~':
      return 1;
    default:
      return 0;
    }
#endif
}

bool
c_isprint (int c)
{
#if C_CTYPE_ASCII
  return (c >= ' ' && c <= '~');
#else
  switch (c)
    {
    case ' ': case '!': case '"': case '#': case '$': case '%':
    case '&': case '\'': case '(': case ')': case '*': case '+':
    case ',': case '-': case '.': case '/':
    case '0': case '1': case '2': case '3': case '4': case '5':
    case '6': case '7': case '8': case '9':
    case ':': case ';': case '<': case '=': case '>': case '?':
    case '@':
    case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
    case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
    case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
    case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
    case 'Y': case 'Z':
    case '[': case '\\': case ']': case '^': case '_': case '`':
    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
    case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
    case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
    case 's': case 't': case 'u': case 'v': case 'w': case 'x':
    case 'y': case 'z':
    case '{': case '|': case '}': case '~':
      return 1;
    default:
      return 0;
    }
#endif
}

bool
c_ispunct (int c)
{
#if C_CTYPE_ASCII
  return ((c >= '!' && c <= '~')
          && !((c >= '0' && c <= '9')
               || (c >= 'A' && c <= 'Z')
               || (c >= 'a' && c <= 'z')));
#else
  switch (c)
    {
    case '!': case '"': case '#': case '$': case '%': case '&':
    case '\'': case '(': case ')': case '*': case '+': case ',':
    case '-': case '.': case '/':
    case ':': case ';': case '<': case '=': case '>': case '?':
    case '@':
    case '[': case '\\': case ']': case '^': case '_': case '`':
    case '{': case '|': case '}': case '~':
      return 1;
    default:
      return 0;
    }
#endif
}

bool
c_isspace (int c)
{
  return (c == ' ' || c == '\t'
          || c == '\n' || c == '\v' || c == '\f' || c == '\r');
}

bool
c_isupper (int c)
{
#if C_CTYPE_CONSECUTIVE_UPPERCASE
  return (c >= 'A' && c <= 'Z');
#else
  switch (c)
    {
    case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
    case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
    case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
    case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
    case 'Y': case 'Z':
      return 1;
    default:
      return 0;
    }
#endif
}

bool
c_isxdigit (int c)
{
#if C_CTYPE_CONSECUTIVE_DIGITS \
    && C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
  return ((c >= '0' && c <= '9')
          || (c >= 'A' && c <= 'F')
          || (c >= 'a' && c <= 'f'));
#else
  switch (c)
    {
    case '0': case '1': case '2': case '3': case '4': case '5':
    case '6': case '7': case '8': case '9':
    case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
    case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
      return 1;
    default:
      return 0;
    }
#endif
}

int
c_tolower (int c)
{
#if C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
  return (c >= 'A' && c <= 'Z' ? c - 'A' + 'a' : c);
#else
  switch (c)
    {
    case 'A': return 'a';
    case 'B': return 'b';
    case 'C': return 'c';
    case 'D': return 'd';
    case 'E': return 'e';
    case 'F': return 'f';
    case 'G': return 'g';
    case 'H': return 'h';
    case 'I': return 'i';
    case 'J': return 'j';
    case 'K': return 'k';
    case 'L': return 'l';
    case 'M': return 'm';
    case 'N': return 'n';
    case 'O': return 'o';
    case 'P': return 'p';
    case 'Q': return 'q';
    case 'R': return 'r';
    case 'S': return 's';
    case 'T': return 't';
    case 'U': return 'u';
    case 'V': return 'v';
    case 'W': return 'w';
    case 'X': return 'x';
    case 'Y': return 'y';
    case 'Z': return 'z';
    default: return c;
    }
#endif
}

int
c_toupper (int c)
{
#if C_CTYPE_CONSECUTIVE_UPPERCASE && C_CTYPE_CONSECUTIVE_LOWERCASE
  return (c >= 'a' && c <= 'z' ? c - 'a' + 'A' : c);
#else
  switch (c)
    {
    case 'a': return 'A';
    case 'b': return 'B';
    case 'c': return 'C';
    case 'd': return 'D';
    case 'e': return 'E';
    case 'f': return 'F';
    case 'g': return 'G';
    case 'h': return 'H';
    case 'i': return 'I';
    case 'j': return 'J';
    case 'k': return 'K';
    case 'l': return 'L';
    case 'm': return 'M';
    case 'n': return 'N';
    case 'o': return 'O';
    case 'p': return 'P';
    case 'q': return 'Q';
    case 'r': return 'R';
    case 's': return 'S';
    case 't': return 'T';
    case 'u': return 'U';
    case 'v': return 'V';
    case 'w': return 'W';
    case 'x': return 'X';
    case 'y': return 'Y';
    case 'z': return 'Z';
    default: return c;
    }
#endif
}
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[Bug-gnulib] addition: c-ctype.h, c-ctype.c, Bruno Haible <=
- Re: [Bug-gnulib] addition: c-ctype.h, c-ctype.c, Paul Eggert, 2003/01/27
  - Re: [Bug-gnulib] addition: c-ctype.h, c-ctype.c, Bruno Haible, 2003/01/28
    - Re: [Bug-gnulib] addition: c-ctype.h, c-ctype.c, Paul Eggert, 2003/01/28
    - Re: [Bug-gnulib] addition: c-ctype.h, c-ctype.c, Bruno Haible, 2003/01/28
    - Re: [Bug-gnulib] addition: c-ctype.h, c-ctype.c, Paul Eggert, 2003/01/28
    - Re: [Bug-gnulib] addition: c-ctype.h, c-ctype.c, Bruno Haible, 2003/01/29
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