version=20210827;
    test -d ./tnftp-$version||exec echo ./tnftp-$version missing;
    test ! -f ./tnftp-$version/.PATCHED||exec echo already patched;
    set -e;
    cd ./tnftp-$version;
    ed make-static << eof
    i
    ./configure --enable-ipv6=no
    make;
    cd src;
    gcc -static -g -O2 -o tnftp tnftp-cmds.o tnftp-cmdtab.o tnftp-complete.o tnftp-domacro.o tnftp-fetch.o tnftp-ftp.o tnftp-main.o tnftp-progressbar.o tnftp-ruserpass.o tnftp-ssl.o tnftp-util.o  ../libnetbsd/.libs/libnetbsd.a -ledit -lssl -lcrypto -lcurses;
    exit
    .
    wq
    eof
    ed src/fetch.c << eof;
    1143c
    if(continuation!=1)
    goto cleanup_fetch_url; 
    .
    1141a
    if(continuation!=1)
    .
    1094c
    if(continuation!=1)
    goto cleanup_fetch_url; 
    .
    1091a
    if (continuation!=1)
    .
    776a
    const char *range;
    if ((range = getenv("RANGE")) != NULL) {
    if(continuation==1)fetch_printf(fin, "Range: bytes=%s\r\n", range);
    } 
    .
    wq
    eof
    ed src/ftp_var.h << eof;
    206a
    GLOBAL int continuation; /* specify RANGE */
    .
    wq
    eof
    ed src/main.c << eof;
    1070s/XFERSIZE]/& [-c RANGE]/
    .
    300a
    case 'c':
    continuation = 1;
    setenv("RANGE",optarg,1);
    break;
    .
    #while((ch=getopt(argc,argv,...
    279s/ad/ac:d/
    .
    wq
    eof
    echo > .PATCHED;
    sh make-static;