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34 .\" @(#)toupper.3 5.2 (Berkeley) 6/29/91
41 .Nd lower case to upper case letter conversion
51 function converts a lower-case letter to the corresponding
54 If the argument is a lower-case letter, the
56 function returns the corresponding upper-case letter if there is
57 one; otherwise the argument is returned unchanged.
62 .\" maps only the characters for which
64 .\" is true to the corresponding characters for which
94 or representable as an
96 otherwise, the behavior is undefined.