Making the preprocessor substitute a '#'

[Keith Refson]

Is there any way of defining a macro in an ANSI preprocessor which
substitutes  a '#' plus some other text.  That is, I want to say

#define FOO  # pragma bar

and have FOO replaced by the pragma.  Now *I Know* that substituting
pragmas is not standard and I don't care about that.  It will be
conditionally compiled for one machine only, on which it should work.

The trouble is, of course that an ansi cpp interprets the # as a
stringizing instruction.  Is there any way of escaping it?   I have
found no reference to a backslash escape character in K&R 2.  And
though it works under the gnu cpp, it doesn't on my target machine.

Can this be done?
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