При линковке в проекте в Delphi7
	Код:
	  procedure HelloWorld; stdcall; external 'ProjectTest.dll';
 
 
получаю 
	Цитата:
	
	
		| 
			
				"Project ProjectTestDll.exe faulted with message: 'application-defined exception (code 0xc0000409) at 0x77539610'. Process Stopped. Use Step or Run to continue."
			
		 | 
	
	
 
PS. 
в DLL (Delphi 10 Seattle):
	Код:
	 procedure HelloWorld; stdcall;
var c:integer;
begin
   c:=c+1;
end;
exports
  HelloWorld;