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      • Strin-p

      Strin-imatches-p

      See if some string literal occurs (case insensitively) at the start of the input stream.

      Signature
      (strin-imatches-p lit x) → *
      Arguments
      lit — Guard (stringp lit).
      x — Guard (strin-p x).

      We just leave this enabled.

      Definitions and Theorems

      Function: strin-imatches-p

      (defun strin-imatches-p (lit x)
        (declare (xargs :guard (and (stringp lit) (strin-p x))))
        (let ((__function__ 'strin-imatches-p))
          (declare (ignorable __function__))
          (str::iprefixp (coerce lit 'list)
                         (strin-left x))))