1 files changed, 2 insertions, 0 deletions
diff --git a/libgloss/glue.h b/libgloss/glue.h
index 0a7e36db2..98c0a6ad2 100644
--- a/libgloss/glue.h
+++ b/libgloss/glue.h
@@ -13,6 +13,7 @@
  * they apply.
  */
 #include <_ansi.h>
+#include <unistd.h>
 
 #ifndef NULL
 #  define NULL 0
@@ -28,4 +29,5 @@ extern char _end[];                /* _end is set in the linker command file */
 /* only one prcess support, as this is OS dependant */
 #define __MYPID 1
 
+int outbyte (char);