Add build system scaffolding and libc headers

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/libc/termios/tcsendbreak.c b/lib/libc/termios/tcsendbreak.c
new file mode 100644
index 00000000..a6ed420d
--- /dev/null
+++ b/lib/libc/termios/tcsendbreak.c
@@ -0,0 +1,11 @@
+#include <termios.h>
+#include <syscall.h>
+#include <asm-generic/ioctls.h>
+
+int tcsendbreak(int fildes, int duration)
+{
+	// IEEE Std 1003.1-2024
+	// If duration is not 0, it shall send zero-valued
+	// bits for an implementation-defined period of time.
+	return syscall(ioctl, fildes, TCSBRK, 0);
+}