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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
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/* Definition of elt union, a union of various primitive C types
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Copyright (C) 1993,1994 Free Software Foundation, Inc.
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Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
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Date: May 1993
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This file is part of the GNU Objective C Class Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __elt_h_INCLUDE_GNU
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#define __elt_h_INCLUDE_GNU
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#include <objc/objc.h>
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/* Uncomment this #define to include double's if you really need them,
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but on most architectures you'll be increasing sizeof(elt) by a
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factor of two! */
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/* #define ELT_INCLUDES_DOUBLE 1 */
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/* NOTE: This doesn't work yet. */
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typedef union _elt
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{
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id id_u;
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SEL SEL_u;
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int int_u;
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unsigned int unsigned_int_u;
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char char_u;
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unsigned char unsigned_char_u;
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short int short_int_u;
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unsigned short int unsigned_short_int_u;
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long int long_int_u;
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unsigned long int unsigned_long_int_u;
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float float_u;
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#if (ELT_INCLUDES_DOUBLE)
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double double_u;
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#endif
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const void *void_ptr_u;
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char *char_ptr_u; /* change this to const char * */
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} elt;
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#endif /* __elt_h_INCLUDE_GNU */
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