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/*
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Copyright(C) 2016, Red Hat, Inc., Stanislav Kozina
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef STACK_H_
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#define STACK_H_
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typedef struct {
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unsigned int st_capacity; /* Total size of the stack */
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unsigned int st_count; /* Number of items stored */
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void **st_data; /* Stack itself */
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} stack_t;
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extern stack_t *stack_init(void);
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extern void stack_destroy(stack_t *);
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extern void stack_push(stack_t *, void *);
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extern void *stack_pop(stack_t *);
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extern void *stack_head(stack_t *);
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extern void walk_stack(stack_t *, void (*)(void *, void *), void *);
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extern void walk_stack_backward(stack_t *, void (*cb)(void *, void *), void *);
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#endif /* STACK_H_ */
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