Treat blank protocol the same as NULL in getservbyname &
[wine] / dlls / winspool /
drwxr-xr-x   ..
-rw-r--r-- 70 .cvsignore
-rw-r--r-- 306 Makefile.in
-rw-r--r-- 107988 info.c
drwxr-xr-x - tests
-rw-r--r-- 5696 winspool.drv.spec
-rw-r--r-- 1461 wspool.c