Add build system scaffolding and libc headers

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/libc/termios/cfsetispeed.c b/lib/libc/termios/cfsetispeed.c
new file mode 100644
index 00000000..b990d598
--- /dev/null
+++ b/lib/libc/termios/cfsetispeed.c
@@ -0,0 +1,14 @@
+#include <errno.h>
+#include <asm-generic/termbits.h>
+
+int cfsetispeed(struct termios *termios_p, speed_t speed)
+{
+	if (speed & ~CBAUD) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	termios_p->c_cflag &= ~CIBAUD;
+	termios_p->c_cflag |= speed * (CIBAUD / CBAUD);
+	return 0;
+}