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+---
+title: Reference
+description: A complete reference of the cargs command line arguments parser library for C/C++.
+---
+
+## Basic
+The basic functions available in cargs, which can be used to do basic command line argument parsing.
+
+### Functions
+* **[cag_option_prepare]({{ site.baseurl }}{% link reference/cag_option_prepare.md %})**  
+Prepare argument options context for parsing.
+
+* **[cag_option_fetch]({{ site.baseurl }}{% link reference/cag_option_fetch.md %})**  
+Fetches an option from the argument list.
+
+* **[cag_option_get]({{ site.baseurl }}{% link reference/cag_option_get.md %})**  
+ Gets the identifier of the option.
+
+* **[cag_option_get_value]({{ site.baseurl }}{% link reference/cag_option_get_value.md %})**  
+Gets the value from the option.
+
+* **[cag_option_get_index]({{ site.baseurl }}{% link reference/cag_option_get_index.md %})**  
+Gets the current index of the context.
+
+## Output
+This section describes functions which are used to output argument information.
+
+### Functions
+* **[cag_option_print]({{ site.baseurl }}{% link reference/cag_option_print.md %})**  
+Prints all options to the terminal.