From: Pali Rohár <pali@kernel.org>

These baudrate macro constants are defined in bits/termios.h and are
already supported.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Alejandro Colomar <redacted>
---
 man3/termios.3 | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/man3/termios.3 b/man3/termios.3
index 797778680..01c209944 100644
--- a/man3/termios.3
+++ b/man3/termios.3

@@ -945,6 +945,18 @@ to by \fItermios_p\fP to \fIspeed\fP, which must be one of these constants:
 	B57600
 	B115200
 	B230400
+	B460800
+	B500000
+	B576000
+	B921600
+	B1000000
+	B1152000
+	B1500000
+	B2000000
+	B2500000
+	B3000000
+	B3500000
+	B4000000
 .ft P
 .fi
 .PP

-- 
2.32.0