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guile/libguile/gh_list.c
Jim Blandy ee2a8b9bdd * gh_init.c (gh_standard_handler): Return SCM_BOOL_F, not garbage.
Merge GH interface library into libguile.
* gh.h, gh_data.c, gh_eval.c, gh_funcs.c, gh_init.c, gh_io.c,
gh_list.c, gh_predicates.c, gh_test_c, gh_test_c.c, gh_test_repl,
gh_test_repl.c: New files.
* Makefile.am (libguile_la_SOURCES): Add gh_data.c, gh_eval.c,
gh_funcs.c, gh_init.c, gh_io.c, gh_list.c, gh_predicates.c.  Move
_scm.h to ...
(EXTRA_libguile_la_SOURCES): ... here.
(pkginclude_HEADERS): Add variable, to get gh.h installed.
(THREAD_LIBS, check_ldadd, check_PROGRAMS, gh_test_c_SOURCES,
gh_test_c_LDADD, gh_test_repl_SOURCES, gh_test_repl_LDADD):
New variables, describing how to build the gh test programs.
* configure.in: Check for -lm, -lsocket, -lnsl; we need this to
build the test programs, and we probably should have been linking
libguile.la against them all along, to support AIX shared libs.
Add cflags for threads to CFLAGS; add libs for threads to new
variable THREAD_LIBS, used in Makefile.am.
* ChangeLog-gh: log from old `gh' subdirectory.
* Makefile.in, configure, scmconfig.h.in: Rebuilt.
1997-04-14 06:42:27 +00:00

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/* Copyright (C) 1995,1996 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, 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*/
/* list manipulation */
#include <stdio.h>
#include <gh.h>
/* returns the length of a list */
unsigned long
gh_list_length (SCM l)
{
return gh_scm2ulong (scm_list_length (l));
}
/* list operations */
/* analogous to the Scheme cons operator */
SCM
gh_cons (SCM x, SCM y)
{
return scm_cons (x, y);
}
/* gh_list(SCM elt, ...) is implemented as a macro in gh.h. */
/* analogous to the Scheme car operator */
SCM
gh_car (SCM x)
{
return SCM_CAR (x);
}
/* analogous to the Scheme cdr operator */
SCM
gh_cdr (SCM x)
{
return SCM_CDR (x);
}
/* now for the multiple car/cdr utility procedures */
SCM
gh_caar (SCM x)
{
return SCM_CAAR (x);
}
SCM
gh_cadr (SCM x)
{
return SCM_CADR (x);
}
SCM
gh_cdar (SCM x)
{
return SCM_CDAR (x);
}
SCM
gh_cddr (SCM x)
{
return SCM_CDDR (x);
}
SCM
gh_caaar (SCM x)
{
return SCM_CAAAR (x);
}
SCM
gh_caadr (SCM x)
{
return SCM_CAADR (x);
}
SCM
gh_cadar (SCM x)
{
return SCM_CADAR (x);
}
SCM
gh_caddr (SCM x)
{
return SCM_CADDR (x);
}
SCM
gh_cdaar (SCM x)
{
return SCM_CDAAR (x);
}
SCM
gh_cdadr (SCM x)
{
return SCM_CDADR (x);
}
SCM
gh_cddar (SCM x)
{
return SCM_CDDAR (x);
}
SCM
gh_cdddr (SCM x)
{
return SCM_CDDDR (x);
}