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48 lines
2.2 KiB
C
48 lines
2.2 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2003 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_STACK_H
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#define ZEND_STACK_H
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typedef struct _zend_stack {
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int top, max;
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void **elements;
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} zend_stack;
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#define STACK_BLOCK_SIZE 64
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ZEND_API int zend_stack_init(zend_stack *stack);
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ZEND_API int zend_stack_push(zend_stack *stack, void *element, int size);
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ZEND_API int zend_stack_top(zend_stack *stack, void **element);
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ZEND_API int zend_stack_del_top(zend_stack *stack);
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ZEND_API int zend_stack_int_top(zend_stack *stack);
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ZEND_API int zend_stack_is_empty(zend_stack *stack);
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ZEND_API int zend_stack_destroy(zend_stack *stack);
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ZEND_API void **zend_stack_base(zend_stack *stack);
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ZEND_API int zend_stack_count(zend_stack *stack);
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ZEND_API void zend_stack_apply(zend_stack *stack, int type, int (*apply_function)(void *element));
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ZEND_API void zend_stack_apply_with_argument(zend_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg);
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#define ZEND_STACK_APPLY_TOPDOWN 1
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#define ZEND_STACK_APPLY_BOTTOMUP 2
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#endif /* ZEND_STACK_H */
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