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SketchyLISP
Reference
  Copyright (C) 2006
Nils M Holm

char-ci>=?

Conformance: R5RS

Purpose: Case-insensitively test whether two chars are in lexically non-ascending order.

Arguments:
X - char
Y - char

Implementation:

(define (char-ci>=? x y)
  (eq? (char-ci<? x y) #f))

Example:

(char-ci>=? #\B #\b) 
=> #t

See also:
char>=?, char-ci<?, char-ci=?, char-ci>?, char-ci<=?, string>=?, equal?.