gnu getopt getopt

In Linux, many programs, even those with graphical user interfaces (guis), can accept and process command line options. For some programs, this is the main means to interact with other programs or users. With a reliable and complex command line

Reprinted -- Use of the getopt Function The author writes well.Every day you are using a large number of command line programs. Do you feel that the command line parameters are easy to use? They are all implemented using getopt.Using getopt to write

Http://apps.hi.baidu.com/share/detail/17204074 Getopt is used to parse command line option parameters. You don't have to write your own stuff to process argv. # Include Extern char * optarg; // parameter pointer of the optionExtern int optind, //

This article based on http://jesserei.blog.163.com/blog/static/121411689200983081421390/, slightly modified Generally, various commands in Linux have many command line parameters to choose from, such:Gcc-g-LM Foo. C-o fooGetopt () is a function used

[Reprint] The getopt () function and its parameters optind and getoptoptind Recently, the getopt () function has been used to understand it. This blog post is still very clear. It is worth learning. Recently, an open-source project has been improved,

Getopt is used to parse command line option parameters. # Include Extern char * optarg; // parameter pointer of the optionExtern int optind, // when getopt is called next time, check the option again from the position where optind is stored.Extern

How to analyze the command line parameters sun,-marchday There are two types of command line options in GNU/Linux: short option and long option. The former uses '-' as the leading character, and the latter uses '--' as the leading character.. For

/*************************************** ****************************** * Function: Test getopt* Author: Samson* Date: 11/30/2011* Test Platform:* GNU Linux version 2.6.29.4* GCC version 4.4.0 20090506 (Red Hat 4.4.0-4) (GCC)*************************

# Include   Int getopt (INT argc, char * const argv [], const char * optstring ); Extern char * optarg; Extern int optind, opterr, optopt;   Description: The getopt () function parses the command line parameters. The first two parameters -- argc

The getopt () function is used to analyze command line parameters. Its function prototype and related variables are declared as follows: # IncludeExtern char * optarg;Extern int optind, // The initialization value is 1. When getopt is called next