source: azure_iot_hub/trunk/musl-1.1.18/src/termios/cfsetospeed.c@ 388

#define _BSD_SOURCE
#include <termios.h>
#include <sys/ioctl.h>
#include <errno.h>
#include "libc.h"

int cfsetospeed(struct termios *tio, speed_t speed)
{
        if (speed & ~CBAUD) {
                errno = EINVAL;
                return -1;
        }
        tio->c_cflag &= ~CBAUD;
        tio->c_cflag |= speed;
        return 0;
}

int cfsetispeed(struct termios *tio, speed_t speed)
{
        return speed ? cfsetospeed(tio, speed) : 0;
}

weak_alias(cfsetospeed, cfsetspeed);