Index: uspace/lib/c/include/sys/types.h
===================================================================
--- uspace/lib/c/include/sys/types.h	(revision 7f9d97f3ef14161b0334989eea3a64581e2c86cc)
+++ uspace/lib/c/include/sys/types.h	(revision df138361db097bfad037b09eb2abbae6e0931ac3)
@@ -46,4 +46,6 @@
 typedef uint64_t aoff64_t;
 
+typedef uint32_t fourcc_t;
+
 typedef volatile uint8_t ioport8_t;
 typedef volatile uint16_t ioport16_t;