HelenOS sources

ski_do_putchar    212 kernel/arch/ia64/src/drivers/ski.c 			ski_do_putchar('\r');
ski_do_putchar    214 kernel/arch/ia64/src/drivers/ski.c 		ski_do_putchar(ch);
ski_do_putchar    216 kernel/arch/ia64/src/drivers/ski.c 		ski_do_putchar('?');