1 #include "readwrite.h"

     2 #include "substdio.h"

     3 #include "subfd.h"

     4 

     5 char subfd_errbuf[256];

     6 static substdio it = SUBSTDIO_FDBUF(write,2,subfd_errbuf,256);

     7 substdio *subfderr = ⁢