Locates the last occurrence of a specified character in a string.
#include <utf8.h> utf8_t *utf8rchr ( const utf8_t *string, const utf8_t *ch);
(IN) Points to the string containing characters to be searched.
(IN) Points to the character to locate.
Returns a pointer to the located character or a NULL pointer if the character does not occur in the string.
The utf8rchr function locates the last occurrence of ch in the string pointed to by string. The null-terminating character is considered to be part of the string.