zend_encoding_converter   33 Zend/zend_multibyte.h typedef size_t (*zend_encoding_converter)(unsigned char **to, size_t *to_length, const unsigned char *from, size_t from_length, const zend_encoding *encoding_to, const zend_encoding *encoding_from);
zend_encoding_converter   44 Zend/zend_multibyte.h     zend_encoding_converter encoding_converter;