Use -1 as file descriptor "not open" value instead of 0
[debian/gnuradio] / gnuradio-examples / grc /
drwxr-xr-x   ..
-rw-r--r-- 23 .gitignore
-rw-r--r-- 1902 Makefile.am
drwxr-xr-x - audio
drwxr-xr-x - demod
drwxr-xr-x - simple
drwxr-xr-x - trellis
drwxr-xr-x - usrp
drwxr-xr-x - xmlrpc