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/* classes: h_files */
#ifndef SCM_GSUBR_H
#define SCM_GSUBR_H
/* Copyright (C) 1995,1996,1998,2000,2001, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libguile/__scm.h"
/* Return an integer describing the arity of GSUBR, a subr of type
`scm_tc7_gsubr'. The result can be interpreted with `SCM_GSUBR_REQ ()'
and similar. */
#define SCM_GSUBR_TYPE(gsubr) (SCM_CELL_TYPE (gsubr) >> 8)
#define SCM_GSUBR_MAKTYPE(req, opt, rst) ((req)|((opt)<<4)|((rst)<<8))
#define SCM_GSUBR_MAX 33
#define SCM_GSUBR_REQ(x) ((long)(x)&0xf)
#define SCM_GSUBR_OPT(x) (((long)(x)&0xf0)>>4)
#define SCM_GSUBR_REST(x) ((long)(x)>>8)
SCM_API SCM scm_c_make_gsubr (const char *name,
int req, int opt, int rst, SCM (*fcn) ());
SCM_API SCM scm_c_make_gsubr_with_generic (const char *name,
int req, int opt, int rst,
SCM (*fcn) (), SCM *gf);
SCM_API SCM scm_c_define_gsubr (const char *name,
int req, int opt, int rst, SCM (*fcn) ());
SCM_API SCM scm_c_define_gsubr_with_generic (const char *name,
int req, int opt, int rst,
SCM (*fcn) (), SCM *gf);
SCM_API SCM scm_gsubr_apply (SCM proc, SCM args);
SCM_INTERNAL void scm_init_gsubr (void);
#endif /* SCM_GSUBR_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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