hdestroy
hdestroy(hashp);
retval = hdestroy(hashp);
static int32_t hdestroy __P((HTAB *));
void hdestroy __P((void));
void hdestroy(void);
hdestroy(hashp);
retval = hdestroy(hashp);
static int hdestroy(HTAB *);
(void)hdestroy(hashp);
(void)hdestroy(hashp);