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/* Declarations of functions for dealing with elt unions Copyright (C) 1993,1994 Free Software Foundation, Inc. Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu> Date: May 1993 This file is part of the GNU Objective C Class Library. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __eltfuncs_h_INCLUDE_GNU #define __eltfuncs_h_INCLUDE_GNU #include <objects/stdobjects.h> #include <objects/elt.h> #include <stdio.h> extern unsigned int elt_hash_int (elt key); extern int elt_compare_ints (elt k1, elt k2); extern unsigned int elt_hash_unsigned_int (elt key); extern int elt_compare_unsigned_ints (elt k1, elt k2); extern unsigned int elt_hash_long_int (elt key); extern int elt_compare_long_ints (elt k1, elt k2); extern unsigned int elt_hash_unsigned_long_int (elt key); extern int elt_compare_unsigned_long_ints (elt k1, elt k2); extern unsigned int elt_hash_char (elt key); extern int elt_compare_chars (elt k1, elt k2); extern unsigned int elt_hash_unsigned_char (elt key); extern int elt_compare_unsigned_chars (elt k1, elt k2); extern unsigned int elt_hash_short (elt key); extern int elt_compare_shorts (elt k1, elt k2); extern unsigned int elt_hash_unsigned_short (elt key); extern int elt_compare_unsigned_shorts (elt k1, elt k2); extern unsigned int elt_hash_float (elt key); extern int elt_compare_floats (elt k1, elt k2); #if (ELT_INCLUDES_DOUBLE) extern unsigned int elt_hash_double (elt key); extern int elt_compare_doubles (elt k1, elt k2); #endif extern int elt_compare_strings (elt k1, elt k2); extern unsigned int elt_hash_string (elt key); extern int elt_compare_void_ptrs (elt k1, elt k2); extern unsigned int elt_hash_void_ptr (elt key); extern unsigned int elt_hash_object (elt key); extern int elt_compare_objects (elt k1, elt k2); /* This returns a (int(*)(elt,elt)) */ extern int (*(elt_get_comparison_function(const char *encoding)))(elt,elt); /* This returns a (unsigned int (*)(elt)) */ extern unsigned int (*(elt_get_hash_function(const char *encoding)))(elt); extern const char *elt_get_encoding(int(*comparison_function)(elt,elt)); extern void *elt_get_ptr_to_member(const char *encoding, elt *anElement); extern void elt_fprintf_elt(FILE *fp, const char *encoding, elt anElement); #endif /* __eltfuncs_h_INCLUDE_GNU */
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