Add bin/true and bin/false implementations

- Added assembly implementations for `true` and `false` commands.
- Updated Kbuild files to include new binaries.
- Removed unused libraries and headers.
- Cleaned up makefile and unused code.

1 files changed, 8 insertions, 4 deletions

diff --git a/lib/libc/strings/ffsl.c b/lib/libc/strings/ffsl.c
index 2f2e7d44..c84a2905 100644
--- a/lib/libc/strings/ffsl.c
+++ b/lib/libc/strings/ffsl.c
@@ -1,14 +1,18 @@
 int ffsl(long i)
 {
-	if (i == 0)
-		return 0;
+	int pos;
+	unsigned long u;
 
-	int pos = 1;
-	unsigned long u = (unsigned long)i;
+	if (i == 0) {
+		return 0;
+	}
 
+	pos = 1;
+	u = (unsigned long)i;
 	while ((u & 1UL) == 0UL) {
 		u >>= 1;
 		pos++;
 	}
+
 	return pos;
 }