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thwcoll.h

NAME

thai/thwcoll.h -

Thai wide-char string collation.

SYNOPSIS

Functions

int th_wcstrcoll (const thwchar_t *s1, const thwchar_t *s2)
Compare two Thai wide-char strings for collation.
size_t th_wcstrxfrm (thwchar_t dest[], const thwchar_t *src, size_t n)
Transform wide-char string into collatable form.

Detailed Description

Thai wide-char string collation.

Function Documentation

int th_wcstrcoll (const thwchar_t * s1, const thwchar_t * s2)

Compare two Thai wide-char strings for collation. Parameters:

s1 : first wide-char string (null-terminated)
s2 : second wide-char string (null-terminated)

Returns:

< 0 if s1 precedes s2; 0 if s1 equals s2; > 0 if s1 succeeds s2

size_t th_wcstrxfrm (thwchar_t dest[], const thwchar_t * src, size_t n)

Transform wide-char string into collatable form. Parameters:

dest : the destination wide-char string buffer
src : the wide-char string to transform
n : the size of dest buffer (as number of elements)

Returns:

the number of elements required to store the result in dest, excluding the terminating '\0'. If the return value >= n, dest is undefined.

Transforms src into a form from which comparison using wcscmp() yields the same result as that from th_wcstrcoll(). At most n characters are put in dest.

Author

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