1118   
1119   /* Open the device file.  */
1120   serial_fd = open (serial_device,
1121                     O_RDWR | O_NOCTTY
1122 #if defined(O_SYNC)
1123                     /* O_SYNC is used in Linux (and some others?).  */
1124                     | O_SYNC
1125 #elif defined(O_FSYNC)
1126                     /* O_FSYNC is used in FreeBSD.  */
1127                     | O_FSYNC
1128 #endif
1129                     );
1130   if (serial_fd < 0)
1131     return 0;
1132 
1133   /* Get the termios parameters.  */
1134   if (tcgetattr (serial_fd, &termios))
1135     goto fail;
1136 
1137   /* Raw mode.  */
1138 #if defined(__sun)
1139   termios.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
1140   termios.c_oflag &= ~OPOST;
1141   termios.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
1142   termios.c_cflag &= ~(CSIZE|PARENB);
1143   termios.c_cflag |= CS8;
1144 #else
1145   cfmakeraw (&termios);
1146 #endif
1147 
1148   /* Set the speed.  */
1149   termios_speed = get_termios_speed (speed);
1150   if (termios_speed == B0)
1151     goto fail;
1152   
1153   cfsetispeed (&termios, termios_speed);
1154   cfsetospeed (&termios, termios_speed);
1155 
1156   /* Set the word length.  */
1157   termios.c_cflag &= ~CSIZE;
1158   switch (word_len)
1159     {
1160     case UART_5BITS_WORD:
1161       termios.c_cflag |= CS5;
1162       break;
1163     case UART_6BITS_WORD:
1164       termios.c_cflag |= CS6;
1165       break;
1166     case UART_7BITS_WORD:

1118   
1119   /* Open the device file.  */
1120   serial_fd = open (serial_device,
1121                     O_RDWR | O_NOCTTY
1122 #if defined(O_SYNC)
1123                     /* O_SYNC is used in Linux (and some others?).  */
1124                     | O_SYNC
1125 #elif defined(O_FSYNC)
1126                     /* O_FSYNC is used in FreeBSD.  */
1127                     | O_FSYNC
1128 #endif
1129                     );
1130   if (serial_fd < 0)
1131     return 0;
1132 
1133   /* Get the termios parameters.  */
1134   if (tcgetattr (serial_fd, &termios))
1135     goto fail;
1136 
1137   /* Raw mode.  */







1138   cfmakeraw (&termios);

1139 
1140   /* Set the speed.  */
1141   termios_speed = get_termios_speed (speed);
1142   if (termios_speed == B0)
1143     goto fail;
1144   
1145   cfsetispeed (&termios, termios_speed);
1146   cfsetospeed (&termios, termios_speed);
1147 
1148   /* Set the word length.  */
1149   termios.c_cflag &= ~CSIZE;
1150   switch (word_len)
1151     {
1152     case UART_5BITS_WORD:
1153       termios.c_cflag |= CS5;
1154       break;
1155     case UART_6BITS_WORD:
1156       termios.c_cflag |= CS6;
1157       break;
1158     case UART_7BITS_WORD: