Compilation Warnings

[Yaping Cheng <ypingcheng at yahoo dot co dot uk>]

Hi,

I wrote a function as follows, 

RENZYME *renzyme_copy ( RENZYME *r2 ) {
    RENZYME *r;
    char *name, *rs, *pt, *cr, *rst;

...


}

I am using gcc version 3.2.2 20030222 (Red Hat Linux
3.2.2-5) to compile it, but i got following warning
message:
graphic_editor.c: In function `renzyme_copy':
graphic_editor.c:23: warning: `rs' might be used
uninitialized in this function
graphic_editor.c:23: warning: `pt' might be used
uninitialized in this function
graphic_editor.c:23: warning: `cr' might be used
uninitialized in this function
graphic_editor.c:23: warning: `rst' might be used
uninitialized in this function

Can you tell me what cause it. It seems strange that 
in line 23 declare 5 strings, there is warning for
four of them except the first one.


Thanks


Yaping




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