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/* labels.h - declarations for labels.c */
/* Copyright 2010-2019 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Information about a possible target of a cross-reference, often a node. */
typedef struct {
/* Pointer to the element for the command defining this label, usually a
node element. FIXME: I'm not sure if we actualy need to get to the
target - much of the use of the labels_information is to check that
references are to real places. */
ELEMENT *target;
} LABEL;
extern LABEL *labels_list;
extern size_t labels_number;
void register_label (ELEMENT *current, ELEMENT *label);
void reset_labels (void);
extern ELEMENT **internal_xref_list;
extern size_t internal_xref_number;
extern size_t internal_xref_space;
void remember_internal_xref (ELEMENT *element);
void reset_internal_xrefs (void);
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