static PRInt32 rfind_char( const char* s, PRUint32 max, PRInt32 offset, const PRUnichar c, PRInt32 count ) { return RFindChar1(s, max, offset, c, count); }
static int32_t rfind_char( const char* s, uint32_t max, int32_t offset, const char16_t c, int32_t count ) { return RFindChar1(s, max, offset, c, count); }