error expected primary-expression before token C

Question

I am trying to call a function named characterSelection SDL Surface  screen  struct SelectionneNonSelectionne sel  which returns a void This is the  h of the function I try to call  struct SelectionneNonSelectionne  void characterSelection SDL Surface  screen  struct SelectionneNonSelectionne   void resetSelection SDL Surface  screen  struct SelectionneNonSelectionne    On my main function  I try to call it like this  characterSelection screen  SelectionneNonSelectionne    When I compile  I have the message   error  expected primary-expression before     token  I made the includes  I suppose I miscall the second argument  my struct  But  I can t find why on the net  Have you got any idea about what I did wrong

User · Answer

A function call needs to be performed with objects. You are doing the equivalent of this:

// function declaration/definition
void foo(int) {}

// function call
foo(int); // wat!??

i.e. passing a type where an object is required. This makes no sense in C or C++. You need to be doing

int i = 42;
foo(i);

or

foo(42);

User · Answer

You should create a variable of the type SelectionneNonSelectionne   struct SelectionneNonSelectionne var    After that pass that variable to the function like  characterSelection screen  var     The error is caused since you are passing the type name SelectionneNonSelectionne

User · Answer

You re passing a type as an argument  not an object  You need to do characterSelection screen  test   where test is of type SelectionneNonSelectionne

[c++] error: expected primary-expression before ')' token (C)

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