From: dot@dotat.at   
      
   Swati  wrote:   
   >   
   >We are doing an analysis on the usage of function pointers.   
   >We have considered one such example as GCC which uses function pointers.   
   >Can you suggest any other application which uses function pointers   
   >extensively.   
      
   Function pointers are often a nice way to implement state machines,   
   for instance http://dotat.at/cgi/git?p=unifdef.git;a=blob;f=unifdef.c   
      
   The byte code in a threaded code interpreter is often just a list of   
   function pointers.   
      
   There are a lot of function pointers in the unix kernel. Have a look   
   at Lions' commentary, Stevens' TCP/IP Illustrated volume 2, and   
   McKusick & Neville-Neil's Design and Implementation of the FreeBSD   
   operating system.   
      
   Tony.   
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