HelenOS sources

ofw_putchar        44 boot/arch/ppc32/src/ofw.c 		ofw_putchar('\r');
ofw_putchar        47 boot/arch/ppc32/src/ofw.c 		ofw_putchar(ch);
ofw_putchar        49 boot/arch/ppc32/src/ofw.c 		ofw_putchar('?');
ofw_putchar        48 boot/arch/sparc64/src/ofw.c 		ofw_putchar('\r');
ofw_putchar        51 boot/arch/sparc64/src/ofw.c 		ofw_putchar(ch);
ofw_putchar        53 boot/arch/sparc64/src/ofw.c 		ofw_putchar('?');
ofw_putchar        93 boot/genarch/include/genarch/ofw.h extern void ofw_putchar(char);