1 files changed, 10 insertions, 0 deletions
diff --git a/src/multibyte/btowc.c b/src/multibyte/btowc.c
new file mode 100644
index 0000000..8acd0a2
--- /dev/null
+++ b/src/multibyte/btowc.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <wchar.h>
+#include <stdlib.h>
+#include "internal.h"
+
+wint_t btowc(int c)
+{
+	int b = (unsigned char)c;
+	return b<128U ? b : (MB_CUR_MAX==1 && c!=EOF) ? CODEUNIT(c) : WEOF;
+}