/stdio qualifier tells KAP to perform strength
reduction on calls to certain functions in the standard I/O library.
Programs that use functions such as
printf heavily will
generally have improved I/O performance when this is done.
/scalaropt=3 qualifier is required when
/stdio with standalone KAP, described
in Section 2.7 and Section 3.2. Additionally, you must specify the linker
SYS$COMMON:[SYSLIB]kio/lib , when you link