1 files changed, 1 insertions, 0 deletions
diff --git a/awk.h b/awk.h
index cb7c4990..ab088f19 100644
--- a/awk.h
+++ b/awk.h
@@ -1464,6 +1464,7 @@ extern bool is_identchar(int c);
 extern NODE *make_regnode(NODETYPE type, NODE *exp);
 extern bool validate_qualified_name(char *token);
 /* builtin.c */
+extern void efflush(FILE *fp, const char *from, struct redirect *rp);
 extern double double_to_int(double d);
 extern NODE *do_exp(int nargs);
 extern NODE *do_fflush(int nargs);