1 files changed, 4 insertions, 0 deletions
diff --git a/src/regexp/UNGETC.c b/src/regexp/UNGETC.c
new file mode 100644
index 00000000..6672c64f
--- /dev/null
+++ b/src/regexp/UNGETC.c
@@ -0,0 +1,4 @@
+#undef UNGETC
+/*
+XOPEN(4,600)
+*/