how-to-pass-a-map-data-structure-as-an-argument-to-a-method-in-a-bash-script https://www.linuxquestions.org/questions/programming
参考链接: https://www.linuxquestions.org/questions/programming-9/error-large-integer-implicitly-truncated-to-unsigned-type
http://www.linuxquestions.org/questions/programming-9/gdb-does-not-print-right-value-908538/ 2. optind
6.http://blog.csdn.net/sjy88813/article/details/6662879 7.http://www.linuxquestions.org/questions/programming