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/*
igraph library.
Copyright (C) 2007-2025 The igraph development team <igraph@igraph.org>
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 2 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 <https://www.gnu.org/licenses/>.
*/
#include <stdio.h>
/**
* Stack data type.
* \ingroup internal
*/
typedef struct TYPE(igraph_stack) {
BASE* stor_begin;
BASE* stor_end;
BASE* end;
} TYPE(igraph_stack);
IGRAPH_EXPORT igraph_error_t FUNCTION(igraph_stack, init)(TYPE(igraph_stack)* s, igraph_int_t capacity);
IGRAPH_EXPORT void FUNCTION(igraph_stack, destroy)(TYPE(igraph_stack)* s);
IGRAPH_EXPORT igraph_error_t FUNCTION(igraph_stack, reserve)(TYPE(igraph_stack)* s, igraph_int_t capacity);
IGRAPH_EXPORT IGRAPH_FUNCATTR_PURE igraph_bool_t FUNCTION(igraph_stack, empty)(TYPE(igraph_stack)* s);
IGRAPH_EXPORT IGRAPH_FUNCATTR_PURE igraph_int_t FUNCTION(igraph_stack, size)(const TYPE(igraph_stack)* s);
IGRAPH_EXPORT IGRAPH_FUNCATTR_PURE igraph_int_t FUNCTION(igraph_stack, capacity)(const TYPE(igraph_stack)* s);
IGRAPH_EXPORT void FUNCTION(igraph_stack, clear)(TYPE(igraph_stack)* s);
IGRAPH_EXPORT igraph_error_t FUNCTION(igraph_stack, push)(TYPE(igraph_stack)* s, BASE elem);
IGRAPH_EXPORT BASE FUNCTION(igraph_stack, pop)(TYPE(igraph_stack)* s);
IGRAPH_EXPORT IGRAPH_FUNCATTR_PURE BASE FUNCTION(igraph_stack, top)(const TYPE(igraph_stack)* s);
IGRAPH_EXPORT igraph_error_t FUNCTION(igraph_stack, print)(const TYPE(igraph_stack)* s);
IGRAPH_EXPORT igraph_error_t FUNCTION(igraph_stack, fprint)(const TYPE(igraph_stack)* s, FILE *file);
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