2

Could anyone explain the following syntax of code for structures in C ?

struct { 
  Fn *pmq;
}
service_MQ[] = 
{
   NULL
   #define BUILd_SVC_MQ(name , func) , (Fn*) Func
   #include<mqsvctable.h>
};
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3
  • tutorialspoint.com/cprogramming/c_structures.htm Commented Jan 8, 2015 at 4:50
  • You have a #define and a #include in the middle of a structure declaration??!! It may well be legal, but ... Commented Jan 8, 2015 at 13:20
  • @ratednitesh Did you perhaps mean to type: #define BUILD_SVC_MQ(name, func) , (Fn*) func Commented Jan 8, 2015 at 13:59

1 Answer 1

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3
  • There is a structure with only member as a pointer (possibly to a function)
  • There is an x-header file mqsvctable.h containing list of functions under BUILd_SVC_MQ macro. Something like
BUILd_SVC_MQ("clear", clear_screen)
BUILd_SVC_MQ("delete", delete_something)
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