Re: Use of typeof

[Kevin Bailey <ke-gcc@retriever.dyndns.org>]

There is no such thing as typeof in C.

However, there is in C++ so either rename your file to test.cc
or compile with -xc++.

On Fri, Mar 01, 2002 at 11:01:18AM -0500, Philip Cheng wrote:
> I would like to use typeof to determine the type of a variable.  
> However, I keep getting the error when I try to compile the program.
> 
>   test.c: In function `main':
>   test.c:8: parse error before "typeof"
> 
> Anyone knows how can I solve the problem?  Thanks in advance for your help.
> 
> Philip
> 
> 
> Here is my test program:
> 
> #include <stdio.h>
> 
> main()
> {
>         double  dftest;
>         dftest = 1.0;
> 
>         if (__builtin_types_compatible_p (typeof (dftest), double)) 
>             printf("It is double\n");
> }