摘要：int getopt(int argc, char * const argv[], const char *optstring);1.getopt() 用来解析命令行参数。程序启动时，argc,argv两个参数传递给运行程序，argv里的参数项以'-'(或'--')开始。循环调用getopt()，将... 阅读全文

摘要：manual:http://man7.org/linux/man-pages/man3/printf.3.html int printf(const char *format, ...);　通过format格式串控制输出，调用成功返回输出字符个数（不包括null）；失败返回负值。 char ... 阅读全文

摘要：manual:http://man7.org/linux/man-pages/man3/scanf.3.htmlhttp://www.cnblogs.com/jcss2008/archive/2008/09/20/1294905.htmlint scanf( const char *format, ... 阅读全文

摘要：‘Numerous' studies in the past appear to have shown a link between cycling and ED. The researchers admit that they 'cannot completely discount' thes... 阅读全文