:

    coreutils --help|grep -o ' 'col' '||busybox|grep -o ' 'col' '||toybox|grep -o ' 'col' '||
    tnftp -4o /dev/stdout ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/usr.bin/col/col.c \
    |sed '
      /ifndef lint/,/endif .. not lint/d;
      /cdefs/d;/inttypes/d;
      s/bhfl:/bhf/;
      /case .l.:/,/break/d;
      s/__dead //;
      s/getprogname()/\"col\"/
      ' \
    |cc -static -s -xc /dev/stdin -o /usr/local/bin/col
    tnftp -4o\|mandoc ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/external/bsd/mdocml/dist/mandoc.1 \
    |col -bx > mandoc.1.txt
    vi +/"Font styles" mandoc.1.txt