putc 136 arch/i386/stand/biosboot/biosboot.S #define putc(c) movb $c, %al; call Lchr putc 52 arch/i386/stand/cdboot/srt0.S #define putc(c) movb $c, %al; call Lchr putc 87 arch/i386/stand/mbr/mbr.S #define putc(c) movb $c, %al; call Lchr putc 52 arch/i386/stand/pxeboot/srt0.S #define putc(c) movb $c, %al; call Lchr putc 239 kern/tty_subr.c putc(int c, struct clist *clp)