(net_write, net_read): add prototypes

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5075 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/roken.h.in

@@ -320,6 +320,10 @@ int roken_vconcat (char *s, size_t len, va_list args);
 
 size_t roken_vmconcat (char **s, size_t max_len, va_list args);
 
+ssize_t net_write (int fd, const void *buf, size_t nbytes);
+
+ssize_t net_read (int fd, void *buf, size_t nbytes);
+
 int issuid(void);
 
 #ifndef HAVE_STRUCT_WINSIZE