HelenOS sources

write_buffered    142 uspace/srv/net/slip/slip.c 	write_buffered(chardev, SLIP_END);
write_buffered    147 uspace/srv/net/slip/slip.c 			write_buffered(chardev, SLIP_ESC);
write_buffered    148 uspace/srv/net/slip/slip.c 			write_buffered(chardev, SLIP_ESC_END);
write_buffered    151 uspace/srv/net/slip/slip.c 			write_buffered(chardev, SLIP_ESC);
write_buffered    152 uspace/srv/net/slip/slip.c 			write_buffered(chardev, SLIP_ESC_ESC);
write_buffered    155 uspace/srv/net/slip/slip.c 			write_buffered(chardev, data[i]);
write_buffered    160 uspace/srv/net/slip/slip.c 	write_buffered(chardev, SLIP_END);
HelenOS homepage, sources at GitHub