CID 154853 (#1 of 1): Uninitialized scalar variable (UNINIT)
7. uninit_use_in_call: Using uninitialized value c when calling write.

Reported-by: coverity
Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>