fax, psfax, vwhois: use $user instead of /dev/user

rc/bin/fax

@@ -46,7 +46,6 @@ shift
 
 script=/tmp/fax.$pid
 header=/tmp/faxh.$pid
-user=`{cat /dev/user}
 tmp=/tmp/fax.g3.$pid
 tmpin=/tmp/fax.in.$pid
 tmpps=/tmp/fax.ps.$pid

rc/bin/psfax

@@ -24,7 +24,6 @@ shift
 
 script=/tmp/fax.$pid
 header=/tmp/faxh.$pid
-user=`{cat /dev/user}
 tmp=/tmp/page.$pid
 tmpin=/tmp/page.in.$pid
 tel=`{grep '\) '$user /lib/tel}

rc/bin/vwhois

@@ -13,5 +13,5 @@ if(~ $#box 1 && test -f /mnt/plumb/seemail || test -f /mnt/term/mnt/plumb/seemai
 		plumb -dseemail -a 'filetype=vwhois digest='$i.$pid' mailtype=new sender='$i /mail/fs/$box/XXXvwhois
 }
 if not for (i){
-	echo vwhois: vwhois: vwhois: delivered `{cat /dev/user} From $i '(vwho)' >> /sys/log/mail
+	echo vwhois: vwhois: vwhois: delivered $user From $i '(vwho)' >> /sys/log/mail
 }