#define GNUTLS_LOG2(level, max, string, extra) if (level <= max) { gnutls_log_function2 (level, "(Emacs) " string, extra); }
-extern EMACS_INT
-emacs_gnutls_write (struct Lisp_Process *proc, const char *buf, EMACS_INT nbyte);
-extern EMACS_INT
-emacs_gnutls_read (struct Lisp_Process *proc, char *buf, EMACS_INT nbyte);
+extern ptrdiff_t
+emacs_gnutls_write (struct Lisp_Process *proc, const char *buf, ptrdiff_t nbyte);
+extern ptrdiff_t
+emacs_gnutls_read (struct Lisp_Process *proc, char *buf, ptrdiff_t nbyte);
extern int emacs_gnutls_record_check_pending (gnutls_session_t state);
extern void emacs_gnutls_transport_set_errno (gnutls_session_t state, int err);