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executable file 43 lines (31 sloc) 1.156 kb
/*
+----------------------------------------------+
| DPL Programming Language v1.1 |
+----------------------------------------------+
| The DPL langauge was developed for a school |
| project at ThunderRidge High School. |
| |
| Development of the language after its |
| completion is reserved to Brian Rosner. |
+----------------------------------------------+
| Author: Brian Rosner <br@brosner.com> |
+----------------------------------------------+
*/
#ifndef _STACK_H
#define _STACK_H
typedef struct _StackElement {
void *data;
struct _StackElement *next;
} StackElement;
typedef struct _Stack {
int size;
StackElement *head;
StackElement *tail;
} Stack;
extern void stackInit(Stack *stack);
extern void stackDestroy(Stack *stack);
extern int stackPush(Stack *stack, void *data, int size);
extern int stackPop(Stack *stack, void **data);
#define stackPeek(stack) ((stack)->head == NULL ? NULL : (stack)->head->data)
#define stackSize(stack) (stack)->size
#endif
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