git: 9front

ref: 332f070e5a51e5fcc1f2f17f15f67aa98a01b5f4
dir: /sys/lib/dist/pc/inst/hasmbr/

View raw version 
#!/bin/rc

if(! ~ $#* 1) {
	echo 'usage: hasmbr /dev/sdC0/part' >[1=2]
	exit usage
}

x=`{xd -b $1 | sed -n '32p;32q'}
if(~ $x(16) 55 && ~ $x(17) aa) 
	exit ''
exit nope