ctype_test       1408 encoding.c     int rb_isalnum(int c) { return ctype_test(c, ONIGENC_CTYPE_ALNUM); }
ctype_test       1409 encoding.c     int rb_isalpha(int c) { return ctype_test(c, ONIGENC_CTYPE_ALPHA); }
ctype_test       1410 encoding.c     int rb_isblank(int c) { return ctype_test(c, ONIGENC_CTYPE_BLANK); }
ctype_test       1411 encoding.c     int rb_iscntrl(int c) { return ctype_test(c, ONIGENC_CTYPE_CNTRL); }
ctype_test       1412 encoding.c     int rb_isdigit(int c) { return ctype_test(c, ONIGENC_CTYPE_DIGIT); }
ctype_test       1413 encoding.c     int rb_isgraph(int c) { return ctype_test(c, ONIGENC_CTYPE_GRAPH); }
ctype_test       1414 encoding.c     int rb_islower(int c) { return ctype_test(c, ONIGENC_CTYPE_LOWER); }
ctype_test       1415 encoding.c     int rb_isprint(int c) { return ctype_test(c, ONIGENC_CTYPE_PRINT); }
ctype_test       1416 encoding.c     int rb_ispunct(int c) { return ctype_test(c, ONIGENC_CTYPE_PUNCT); }
ctype_test       1417 encoding.c     int rb_isspace(int c) { return ctype_test(c, ONIGENC_CTYPE_SPACE); }
ctype_test       1418 encoding.c     int rb_isupper(int c) { return ctype_test(c, ONIGENC_CTYPE_UPPER); }
ctype_test       1419 encoding.c     int rb_isxdigit(int c) { return ctype_test(c, ONIGENC_CTYPE_XDIGIT); }