Node based command line argument parser
Check if argv has a specific flag
Non-allocating iterator over command line arguments
A mature, feature-complete library to parse command-line options.
A lightweight cross-platform getopt alternative that is tested on Linux, Windows, FreeBSD and macOS. Command line argument parser library for C/C++. Can be used to parse argv and argc parameters.
iPhone应用程序是由主函数main启动,它负责调用UIApplicationMain函数,该函数的形式如下所示: int UIApplicationMain ( int argc, char *argv[], NSString *principalClassName, NSString *delegateClassName ); 那么UIApplicationMain函数到底做了...