--- transmission-2.82.orig/libtransmission/transmission.h
+++ transmission-2.82/libtransmission/transmission.h
@@ -43,6 +43,8 @@
 
 #include <inttypes.h> /* uintN_t */
 #include <time.h> /* time_t */
+#include <fcntl.h> /* off_t */
+#include <stdio.h> /* ssize_t */
 
 #if !defined (__cplusplus)
  #ifdef HAVE_STDBOOL_H