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83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*
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* Header file for dc routines
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*
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* Copyright (C) 1994, 1997, 1998 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can either send email to this
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* program's author (see below) or write to:
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*
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* The Free Software Foundation, Inc.
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* 59 Temple Place, Suite 330
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* Boston, MA 02111 USA
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*/
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#ifndef DC_DEFS_H
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#define DC_DEFS_H
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/* 'I' is a command, and bases 17 and 18 are quite
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* unusual, so we limit ourselves to bases 2 to 16
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*/
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#define DC_IBASE_MAX 16
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#define DC_SUCCESS 0
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#define DC_DOMAIN_ERROR 1
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#define DC_FAIL 2 /* generic failure */
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#ifndef __STDC__
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# define DC_PROTO(x) ()
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# define DC_DECLVOID() ()
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# define DC_DECLARG(arglist) arglist
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# define DC_DECLSEP ;
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# define DC_DECLEND ;
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#else /* __STDC__ */
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# define DC_PROTO(x) x
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# define DC_DECLVOID() (void)
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# define DC_DECLARG(arglist) (
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# define DC_DECLSEP ,
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# define DC_DECLEND )
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#endif /* __STDC__ */
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typedef enum {DC_TOSS, DC_KEEP} dc_discard;
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typedef enum {DC_NONL, DC_WITHNL} dc_newline;
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/* type discriminant for dc_data */
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typedef enum {DC_UNINITIALIZED, DC_NUMBER, DC_STRING} dc_value_type;
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/* only numeric.c knows what dc_num's *really* look like */
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typedef struct dc_number *dc_num;
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/* only string.c knows what dc_str's *really* look like */
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typedef struct dc_string *dc_str;
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/* except for the two implementation-specific modules, all
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* dc functions only know of this one generic type of object
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*/
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typedef struct {
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dc_value_type dc_type; /* discriminant for union */
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union {
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dc_num number;
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dc_str string;
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} v;
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} dc_data;
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/* This is dc's only global variable: */
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extern const char *progname; /* basename of program invocation */
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#endif /* not DC_DEFS_H */
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