NAME¶

unicode_category_lookup, unicode_isalnum, unicode_isalpha, unicode_isblank, unicode_isdigit, unicode_isgraph, unicode_islower, unicode_ispunct, unicode_isspace, unicode_isupper - unicode character categorization

SYNOPSIS¶

#include <courier-unicode.h>

uint32_t unicode_category_lookup(char32_t c);

int unicode_isalnum(char32_t c);

int unicode_isalpha(char32_t c);

int unicode_isblank(char32_t c);

int unicode_isdigit(char32_t c);

int unicode_isgraph(char32_t c);

int unicode_islower(char32_t c);

int unicode_ispunct(char32_t c);

int unicode_isspace(char32_t c);

int unicode_isupper(char32_t c);

DESCRIPTION¶

unicode_category_lookup() looks up the unicode character's categorization[1]. unicode_category_lookup() returns a 32 bit value. The value's UNICODE_CATEGORY_1 bits specify the first level of the unicode character's category, with UNICODE_CATEGORY_2, UNICODE_CATEGORY_3, and UNICODE_CATEGORY_4 bits specifying the 2nd, 3rd, and 4th level, if given. A value of 0 for each corresponding bit set indicates that no category is specified for this level, for this character; otherwise the possible values are defined in <courier-unicode.h>.

The remaining functions implement comparable equivalents of their non-unicode versions in the standard C library, as follows:

unicode_isalnum()

unicode_isalpha()

unicode_isblank()

unicode_isdigit()

unicode_isgraph()

unicode_islower()

unicode_ispunct()

unicode_isspace()

unicode_isupper()

SEE ALSO¶

courier-unicode(7), unicode_convert_tocase(3).

AUTHOR¶

Sam Varshavchik

NOTES¶

1.

unicode character's categorization