SV *arg;
} PerlIO_pair_t;
-typedef struct {
+struct PerlIO_list_s {
IV refcnt;
IV cur;
IV len;
PerlIO_pair_t *array;
-} PerlIO_list_t;
+};
struct _PerlIO_funcs {
char *name;
const char *mode, int fd, int imode,
int perm, PerlIO *old, int narg, SV **args);
extern IV PerlIOBuf_pushed(PerlIO *f, const char *mode, SV *arg);
+extern PerlIO *PerlIOBuf_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *param);
extern SSize_t PerlIOBuf_read(PerlIO *f, void *vbuf, Size_t count);
extern SSize_t PerlIOBuf_unread(PerlIO *f, const void *vbuf, Size_t count);
extern SSize_t PerlIOBuf_write(PerlIO *f, const void *vbuf, Size_t count);