ftp库函数，可以自己封装，有完整makefile， 比老牌nbpfaus.net的ftp3.1.1给容易阅读 ，而且相对其还支持断点续传哦，可以补足busybox，ftpput的不足之处-ftp library functions, you can own package, a complete makefile, than the old nbpfaus.net of ftp3.1.1 to easy to read, but also relative to its support HTTP Oh, you can make up busybox, ftpput inadequacies