libguile/chars.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_CHARS_H
   4 #define SCM_CHARS_H
   5
   6 /* Copyright (C) 1995,1996,2000,2001,2004, 2006, 2008 Free Software Foundation, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 \f
  24
  25 #include "libguile/__scm.h"
  26
  27 \f
  28 /* Immediate Characters
  29  */
  30 #define SCM_CHARP(x) (SCM_ITAG8(x) == scm_tc8_char)
  31 #define SCM_CHAR(x) ((unsigned int)SCM_ITAG8_DATA(x))
  32 #define SCM_MAKE_CHAR(x) SCM_MAKE_ITAG8((scm_t_bits) (unsigned char) (x), scm_tc8_char)
  33
  34 \f
  35
  36 SCM_API char *const scm_charnames[];
  37 SCM_API int scm_n_charnames;
  38 SCM_API const char scm_charnums[];
  39
  40 \f
  41
  42 SCM_API SCM scm_char_p (SCM x);
  43 SCM_API SCM scm_char_eq_p (SCM x, SCM y);
  44 SCM_API SCM scm_char_less_p (SCM x, SCM y);
  45 SCM_API SCM scm_char_leq_p (SCM x, SCM y);
  46 SCM_API SCM scm_char_gr_p (SCM x, SCM y);
  47 SCM_API SCM scm_char_geq_p (SCM x, SCM y);
  48 SCM_API SCM scm_char_ci_eq_p (SCM x, SCM y);
  49 SCM_API SCM scm_char_ci_less_p (SCM x, SCM y);
  50 SCM_API SCM scm_char_ci_leq_p (SCM x, SCM y);
  51 SCM_API SCM scm_char_ci_gr_p (SCM x, SCM y);
  52 SCM_API SCM scm_char_ci_geq_p (SCM x, SCM y);
  53 SCM_API SCM scm_char_alphabetic_p (SCM chr);
  54 SCM_API SCM scm_char_numeric_p (SCM chr);
  55 SCM_API SCM scm_char_whitespace_p (SCM chr);
  56 SCM_API SCM scm_char_upper_case_p (SCM chr);
  57 SCM_API SCM scm_char_lower_case_p (SCM chr);
  58 SCM_API SCM scm_char_is_both_p (SCM chr);
  59 SCM_API SCM scm_char_to_integer (SCM chr);
  60 SCM_API SCM scm_integer_to_char (SCM n);
  61 SCM_API SCM scm_char_upcase (SCM chr);
  62 SCM_API SCM scm_char_downcase (SCM chr);
  63 SCM_API int scm_c_upcase (unsigned int c);
  64 SCM_API int scm_c_downcase (unsigned int c);
  65 SCM_INTERNAL void scm_init_chars (void);
  66
  67 #endif  /* SCM_CHARS_H */
  68
  69 /*
  70   Local Variables:
  71   c-file-style: "gnu"
  72   End:
  73 */