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	1 GRAPHEME\_TO\_LOWERCASE(3) - Library Functions Manual
	2
	3 # NAME
	4
	5 grapheme\_to\_lowercase - convert codepoint array to lowercase
	6
	7 # SYNOPSIS
	8
	9 #include <grapheme.h>
	10
	11 size\_t
	12 grapheme\_to\_lowercase(const uint\_least32\_t \src, size\_t src…
	13
	14 # DESCRIPTION
	15
	16 The
	17 grapheme\_to\_lowercase()
	18 function converts the codepoint array
	19 str
	20 to lowercase and writes the result to
	21 dest
	22 up to
	23 destlen,
	24 unless
	25 dest
	26 is set to
	27 `NULL`.
	28
	29 If
	30 srclen
	31 is set to
	32 `SIZE_MAX`
	33 (stdint.h is already included by grapheme.h) the codepoint array
	34 src
	35 is interpreted to be NUL-terminated and processing stops when a
	36 NUL-byte is encountered.
	37
	38 For UTF-8-encoded input data
	39 grapheme\_to\_lowercase\_utf8(3)
	40 can be used instead.
	41
	42 # RETURN VALUES
	43
	44 The
	45 grapheme\_to\_lowercase()
	46 function returns the number of codepoints in the array resulting
	47 from converting
	48 src
	49 to lowercase, even if
	50 destlen
	51 is not large enough or
	52 dest
	53 is
	54 `NULL`.
	55
	56 # SEE ALSO
	57
	58 grapheme\_to\_lowercase\_utf8(3),
	59 libgrapheme(7)
	60
	61 # STANDARDS
	62
	63 grapheme\_to\_lowercase()
	64 is compliant with the Unicode 15.0.0 specification.
	65
	66 # AUTHORS
	67
	68 Laslo Hunhold ([[email protected]](mailto:[email protected]))
	69
	70 suckless.org - 2022-10-06