Add build system scaffolding and libc headers

1 files changed, 23 insertions, 0 deletions

diff --git a/lib/libc/termios/tcgetwinsize.c b/lib/libc/termios/tcgetwinsize.c
new file mode 100644
index 00000000..2c7c5786
--- /dev/null
+++ b/lib/libc/termios/tcgetwinsize.c
@@ -0,0 +1,23 @@
+#include <termios.h>
+#include <syscall.h>
+#include <asm-generic/ioctls.h>
+
+struct __winsize {
+	unsigned short ws_row;
+	unsigned short ws_col;
+	unsigned short ws_xpixel;
+	unsigned short ws_ypixel;
+};
+
+int tcgetwinsize(int fildes, struct winsize *winsize_p)
+{
+	long ret;
+	struct __winsize winsize = { 0 };
+
+	ret = syscall(ioctl, fildes, TIOCGWINSZ, &winsize);
+
+	winsize_p->ws_row = winsize.ws_row;
+	winsize_p->ws_col = winsize.ws_col;
+
+	return ret;
+}