D.10.5 Character lookups
- Function: unsigned * utf8_wc_strchr (const unsigned *str, unsigned chr)
Returns a pointer to the first occurrence of wide character chr in string str, or ‘NULL’, if no such character is encountered.
- Function: unsigned * utf8_wc_strchr_ci (const unsigned *str, unsigned chr)
Returns a pointer to the first occurrence of wide character chr (case-insensitive) in string str, or ‘NULL’, if no such character is encountered.
- Function: const unsigned * utf8_wc_strstr (const unsigned *vartext, const unsigned *pattern)
Finds the first occurrence of pattern in text. Returns a pointer to the beginning of pattern in text. Returns
NULL
if no occurrence was found.