1.1 --- a/src/goat3d.h	Wed Aug 21 05:52:28 2013 +0300
     1.2 +++ b/src/goat3d.h	Fri Aug 23 06:36:47 2013 +0300
     1.3 @@ -9,8 +9,8 @@
     1.4  struct goat3d_io {
     1.5  	void *cls;	/* closure data */
     1.6  
     1.7 -	size_t (*read)(void *buf, size_t bytes, void *uptr);
     1.8 -	size_t (*write)(void *buf, size_t bytes, void *uptr);
     1.9 +	ssize_t (*read)(void *buf, size_t bytes, void *uptr);
    1.10 +	ssize_t (*write)(void *buf, size_t bytes, void *uptr);
    1.11  	long (*seek)(long offs, int whence, void *uptr);
    1.12  };
    1.13