CODEWITHSUNDEEP
cpointers
spacegoing
spacegoing

Reputation: 5306

Declaration of function returning a pointer of another function

(Sorry this is a sample quiz can't use typedef:P) I'm trying to write a declaration for the following function:

A function:

Accepts a pointer points to a function accepts a pointer to int and returns a pointer to int.

Returns a pointer to a function accepts int and returns int.

Here is my code:

int (* sigal(int *(*f)(int *)))(int);

However, this is a syntactical error. What's the right way to write it?

Edited:

The error seems to be there shouldn't be an f. I tried both my original code and

int (* sigal(int *(*)(int *)))(int);

on http://www.cdecl.org/. The later is passed.

Any explanation on what's the problem?

Update:

As 2501 said, the error seems to be a flavor of parser.

Upvotes: 2

Views: 49

Answers (1)

2501
2501

Reputation: 25752

The correct way to write that is to use a typedef:

typedef int*(*fp)(int*);
typedef int(*fi)(int);

fi function(fp p);

The correct way to write this without typedef is:

int ( *( function( int*(*p)(int*) ) ) )(int);

Upvotes: 5

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