code: func functions(decl *cc.Declarator) bool {
  	if !strings.HasPrefix(bindgen.NameOf(decl), "cudnn") {
  		return false
  	}
  	if decl.Type.Kind() == cc.Function {
  		return true
  	}
  	return false
  
  }
docs: // Functions returns the C function declarations in the givel set of file paths.