HelenOS sources

do_putchar        109 kernel/arch/sparc64/src/drivers/niagara.c 			do_putchar(ch);
do_putchar        111 kernel/arch/sparc64/src/drivers/niagara.c 				do_putchar('\r');
do_putchar        113 kernel/arch/sparc64/src/drivers/niagara.c 			do_putchar('?');
do_putchar        135 kernel/arch/sparc64/src/drivers/niagara.c 		do_putchar(output_buffer.data[output_buffer.read_ptr]);