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| 1 | +/*********************************************************** |
| 2 | +Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum, |
| 3 | +Amsterdam, The Netherlands. |
| 4 | +
|
| 5 | + All Rights Reserved |
| 6 | +
|
| 7 | +Permission to use, copy, modify, and distribute this software and its |
| 8 | +documentation for any purpose and without fee is hereby granted, |
| 9 | +provided that the above copyright notice appear in all copies and that |
| 10 | +both that copyright notice and this permission notice appear in |
| 11 | +supporting documentation, and that the names of Stichting Mathematisch |
| 12 | +Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | +distribution of the software without specific, written prior permission. |
| 14 | +
|
| 15 | +STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | +THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | +FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | +FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | +OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | +
|
| 23 | +******************************************************************/ |
| 24 | + |
| 25 | +/* |
| 26 | +Mapping object type -- mapping from object to object. |
| 27 | +These functions set errno for errors. Functions mappingremove() and |
| 28 | +mappinginsert() return nonzero for errors, getmappingsize() returns -1, |
| 29 | +the others NULL. A successful call to mappinginsert() calls INCREF() |
| 30 | +for the inserted item. |
| 31 | +*/ |
| 32 | + |
| 33 | +extern typeobject Mappingtype; |
| 34 | + |
| 35 | +#define is_mappingobject(op) ((op)->ob_type == &Mappingtype) |
| 36 | + |
| 37 | +extern object *newmappingobject PROTO((void)); |
| 38 | +extern object *mappinglookup PROTO((object *dp, object *key)); |
| 39 | +extern int mappinginsert PROTO((object *dp, object *key, object *item)); |
| 40 | +extern int mappingremove PROTO((object *dp, object *key)); |
| 41 | +extern int getmappingsize PROTO((object *dp)); |
| 42 | +extern object *getmappingkey PROTO((object *dp, int i)); |
| 43 | +extern object *getmappingkeys PROTO((object *dp)); |
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