libguile/lang.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_LANG_H
   4 #define SCM_LANG_H
   5
   6 /* Copyright (C) 1998, 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 License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * 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
  21  * 02110-1301 USA
  22  */
  23
  24 \f
  25
  26 #include "libguile/__scm.h"
  27
  28 \f
  29
  30 #if SCM_ENABLE_ELISP
  31
  32 #define SCM_NILP(x) (scm_is_eq ((x), SCM_ELISP_NIL))
  33
  34 SCM_INTERNAL void scm_init_lang (void);
  35
  36 #else  /* ! SCM_ENABLE_ELISP */
  37
  38 #define SCM_NILP(x) 0
  39
  40 #endif /* ! SCM_ENABLE_ELISP */
  41
  42 #define SCM_NULL_OR_NIL_P(x) (scm_is_null (x) || SCM_NILP (x))
  43
  44 #endif  /* SCM_LANG_H */
  45
  46 /*
  47   Local Variables:
  48   c-file-style: "gnu"
  49   End:
  50 */