$OpenBSD: patch-io_c,v 1.1.1.1 2003/04/17 10:59:48 sturm Exp $
--- io.c.orig	Tue Mar 26 22:41:07 2002
+++ io.c	Mon Mar 10 18:48:50 2003
@@ -704,7 +704,7 @@ io_header_init(struct io_header *hdr, in
 
 struct io_obj *
 io_new_obj(int fd, int type,
-	   int (*method)(int, void *, size_t), size_t blocksize)
+	   ssize_t (*method)(int, void *, size_t), size_t blocksize)
 {
 	struct io_obj *obj;
 
@@ -759,8 +759,8 @@ io_duplex_halffree(struct io_duplex *dpl
  */
 
 struct io_duplex *
-io_new_duplex(int fd, int (*mthd_read)(int, void *, size_t),
-	   int (*mthd_write)(int, const void *, size_t), size_t blocksize)
+io_new_duplex(int fd, ssize_t (*mthd_read)(int, void *, size_t),
+	   ssize_t (*mthd_write)(int, const void *, size_t), size_t blocksize)
 {
 	struct io_duplex *dplx;