1 files changed, 4 insertions, 1 deletions
diff --git a/gdb/defs.h b/gdb/defs.h
index b061280..092f21c 100644
--- a/gdb/defs.h
+++ b/gdb/defs.h
@@ -435,7 +435,8 @@ extern struct ui_file *gdb_stdtarg;
 
 #include "ui-file.h"
 
-/* More generic printf like operations */
+/* More generic printf like operations.  Filtered versions may return
+   non-locally on error.  */
 
 extern void fputs_filtered (const char *, struct ui_file *);
 
@@ -445,6 +446,8 @@ extern int fputc_filtered (int c, struct ui_file *);
 
 extern int fputc_unfiltered (int c, struct ui_file *);
 
+extern int putchar_filtered (int c);
+
 extern int putchar_unfiltered (int c);
 
 extern void puts_filtered (const char *);