Add build system scaffolding and libc headers

4 files changed, 33 insertions, 0 deletions

diff --git a/lib/libc/sys/ioctl.c b/lib/libc/sys/ioctl.c
new file mode 100644
index 00000000..9d7cde36
--- /dev/null
+++ b/lib/libc/sys/ioctl.c
@@ -0,0 +1,13 @@
+#include <stdarg.h>
+#include <syscall.h>
+
+int ioctl(int fildes, unsigned long request, ...)
+{
+	void *arg;
+	va_list ap;
+	va_start(ap, request);
+	arg = va_arg(ap, void *);
+	va_end(ap);
+
+	return syscall(ioctl, fildes, request, arg);
+}
diff --git a/lib/libc/sys/mount.c b/lib/libc/sys/mount.c
new file mode 100644
index 00000000..0cb95fcf
--- /dev/null
+++ b/lib/libc/sys/mount.c
@@ -0,0 +1,8 @@
+#include <syscall.h>
+#include <sys/mount.h>
+
+int mount(const char *source, const char *target, const char *filesystemtype,
+	  unsigned long mountflags, const void *_Nullable data)
+{
+	return syscall(mount, source, target, filesystemtype, mountflags, data);
+}
diff --git a/lib/libc/sys/umount.c b/lib/libc/sys/umount.c
new file mode 100644
index 00000000..ae1ecf8a
--- /dev/null
+++ b/lib/libc/sys/umount.c
@@ -0,0 +1,6 @@
+#include <syscall.h>
+
+int umount(const char *target)
+{
+	return syscall(umount2, target, 0);
+}
diff --git a/lib/libc/sys/umount2.c b/lib/libc/sys/umount2.c
new file mode 100644
index 00000000..a75588a8
--- /dev/null
+++ b/lib/libc/sys/umount2.c
@@ -0,0 +1,6 @@
+#include <syscall.h>
+
+int umount2(const char *target, int flags)
+{
+	return syscall(umount2, target, flags);
+}