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D.10.6 Functions for converting UTF-8 characters

Function: unsigned utf8_wc_toupper (unsigned wc) ¶

Converts wide character wc to upper case, if possible. Returns wc, if it cannot be converted.

Function: int utf8_toupper (char *s, size_t len) ¶

Converts first len bytes of the UTF-8 string s to upper case, if possible.

Function: unsigned utf8_wc_tolower (unsigned wc) ¶

Converts wide character wc to lower case, if possible. Returns wc, if it cannot be converted.

Function: int utf8_tolower (char *s, size_t len) ¶

Converts first len bytes of the UTF-8 string s to lower case, if possible.

Function: void utf8_wc_strupper (unsigned *str) ¶

Converts each character from the wide character string str to uppercase, if applicable.

Function: void utf8_wc_strlower (unsigned *str) ¶

Converts each character from the wide character string str to lowercase, if applicable.