Name 

Description 

#include 

Syntax  

Header File Search With <header_name> 

The <header_name> version specifies a standard include file; the search is made successively in each of the include directories in the order they are defined. If the file is not located in any of the default directories, an error message is issued. 

Header File Search With "header_name" 

The "header_name" version specifies a user-supplied include file; the file is searched in the following order:

1. The same directory of the file that contains the #include statement
2. The directories of files that include (#include) that file
3. The current directory
4. The path specified by the /I compiler option