ata_mode2string
printf("%s, ", ata_mode2string(pata->mode));
printf("%s, ", ata_mode2string(sata->mode));
ata_mode2string(pata->mode));
ata_mode2string(sata->mode));
char * ata_mode2string(int mode);
sbuf_printf(sb, "%s, ", ata_mode2string(pata->mode));
sbuf_printf(sb, "%s, ", ata_mode2string(sata->mode));