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.

5 files changed, 18 insertions, 4 deletions

diff --git a/lib/libc/ctype/Kbuild b/lib/libc/ctype/Kbuild
new file mode 100644
index 00000000..6022400b
--- /dev/null
+++ b/lib/libc/ctype/Kbuild
@@ -0,0 +1,14 @@
+obj-y += isalnum.o
+obj-y += isalpha.o
+obj-y += isblank.o
+obj-y += iscntrl.o
+obj-y += isdigit.o
+obj-y += isgraph.o
+obj-y += islower.o
+obj-y += isprint.o
+obj-y += ispunct.o
+obj-y += isspace.o
+obj-y += isupper.o
+obj-y += isxdigit.o
+obj-y += tolower.o
+obj-y += toupper.o
diff --git a/lib/libc/ctype/isalnum.c b/lib/libc/ctype/isalnum.c
index 04e94fc6..3384aa56 100644
--- a/lib/libc/ctype/isalnum.c
+++ b/lib/libc/ctype/isalnum.c
@@ -6,7 +6,7 @@ int isalnum(int c)
 	return isalpha(c) || isdigit(c);
 }
 
-weak int isalnum_l(int c, locale_t unused locale)
+__weak int isalnum_l(int c, locale_t __unused locale)
 {
 	return isalnum(c);
 }
diff --git a/lib/libc/ctype/ispunct.c b/lib/libc/ctype/ispunct.c
index 2bd08c38..24627809 100644
--- a/lib/libc/ctype/ispunct.c
+++ b/lib/libc/ctype/ispunct.c
@@ -6,7 +6,7 @@ int ispunct(int c)
 	return isgraph(c) && !isalnum(c);
 }
 
-weak int ispunct_l(int c, locale_t locale)
+__weak int ispunct_l(int c, locale_t __unused locale)
 {
 	return ispunct(c);
 }
diff --git a/lib/libc/ctype/tolower.c b/lib/libc/ctype/tolower.c
index abeab42a..aeb462d8 100644
--- a/lib/libc/ctype/tolower.c
+++ b/lib/libc/ctype/tolower.c
@@ -8,7 +8,7 @@ int tolower(int c)
 	return c;
 }
 
-weak int tolower_l(int c, locale_t unused locale)
+__weak int tolower_l(int c, locale_t __unused locale)
 {
 	return tolower(c);
 }
diff --git a/lib/libc/ctype/toupper.c b/lib/libc/ctype/toupper.c
index e952acd9..934841fa 100644
--- a/lib/libc/ctype/toupper.c
+++ b/lib/libc/ctype/toupper.c
@@ -8,7 +8,7 @@ int toupper(int c)
 	return c;
 }
 
-int toupper_l(int c, locale_t unused locale)
+int toupper_l(int c, locale_t __unused locale)
 {
 	return toupper(c);
 }