musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/misc/ffs.c b/src/misc/ffs.c
new file mode 100644
index 00000000..2f7cb321
--- /dev/null
+++ b/src/misc/ffs.c

@@ -0,0 +1,9 @@

+#include <strings.h>

+

+int ffs(int i)

+{

+ unsigned int j = i;

+ for (i=1; j && !(j&1); j>>=1, i++);

+ if (j) return i;

+ return 0;

+}