Is there a decent way to find out, from inside a F90/95
program, whether a certain service routine (like 'getarg'
or 'exit', e.g.) is available, without aborting the program?
This would be quite helpful for writing portable code.
Some compilers have some of these routines available by
default, others require the call of one, or even more
special service module.
Thanks in advance for any help,
Roland
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