1 files changed, 7 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/misc/ffsl.c b/libc-top-half/musl/src/misc/ffsl.c
new file mode 100644
index 0000000..0105c66
--- /dev/null
+++ b/libc-top-half/musl/src/misc/ffsl.c
@@ -0,0 +1,7 @@
+#include <strings.h>
+#include "atomic.h"
+
+int ffsl(long i)
+{
+	return i ? a_ctz_l(i)+1 : 0;
+}