Add a "fork" of musl as //fusl.
This is musl verbatim at d5f8394f6ea9549607567bd92de12a2446c15614.
See http://www.musl-libc.org/.
R=kulakowski@chromium.org
Review URL: https://codereview.chromium.org/1573973002 .
diff --git a/fusl/src/string/wmemchr.c b/fusl/src/string/wmemchr.c
new file mode 100644
index 0000000..2bc2c27
--- /dev/null
+++ b/fusl/src/string/wmemchr.c
@@ -0,0 +1,7 @@
+#include <wchar.h>
+
+wchar_t *wmemchr(const wchar_t *s, wchar_t c, size_t n)
+{
+ for (; n && *s != c; n--, s++);
+ return n ? (wchar_t *)s : 0;
+}
