decodeUnicodeAlpha

Advances ref_p only if this is a valid Unicode alpha character.

dchar
decodeUnicodeAlpha
in { assert (ref_p && ref_p < end); }
out (c) { assert (c == 0 || isUniAlpha(c)); }

Parameters

ref_p
Type: cchar*

Set to the last trail byte of the valid UTF-8 sequence.

Return Value

Type: dchar

The valid alpha character or 0.

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