Kernel/LibC: add SYS_STAT and stat(), lstat()

libc/sys/stat.cpp

@@ -0,0 +1,14 @@
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+int lstat(const char* __restrict path, struct stat* __restrict buf)
+{
+    return syscall(SYS_STAT, path, buf, O_RDONLY | O_NOFOLLOW);
+}
+
+int stat(const char* __restrict path, struct stat* __restrict buf)
+{
+    return syscall(SYS_STAT, path, buf, O_RDONLY);
+}