#ifndef _PERF_PSTACK_ #define _PERF_PSTACK_
#include <stdbool.h>
struct pstack; struct pstack *pstack__new(unsigned short max_nr_entries);
void pstack__delete(struct pstack *pstack); bool pstack__empty(const struct pstack *pstack); void pstack__remove(struct pstack *pstack, void *key); void pstack__push(struct pstack *pstack, void *key); void *pstack__pop(struct pstack *pstack);
void *pstack__peek(struct pstack *pstack);
#endif /* _PERF_PSTACK_ */