serial problem take 2

Hello, Here we go again, I am writing some test code which will eventually become a boot loader for a microcontroller. I need to be able to toggle DTR and RTS lines on the serial port and would have liked to use ioctl() but TIOCMSET, TIOCM_DTR are not supported at the moment. Any ideas on how

Serial programming patch

Hello, I've been searching through the mailing lists trying to find a painless way of toggling DTR/RTS lines for some test code which I am writing. I was trying to use ioctl() but TIOCMSET, TIOCM_DTR and all the other definitions needed are currently unsupported. I also found in the archive a p