731   equal(strtok(one, ", "), "first", 1);	/* Basic test. */  in test_strtok()
733   equal(strtok((char *)NULL, ", "), "second", 3);  in test_strtok()
734   equal(strtok((char *)NULL, ", "), "third", 4);  in test_strtok()
735   check(strtok((char *)NULL, ", ") == NULL, 5);  in test_strtok()
737   equal(strtok(one, ", "), "first", 6);	/* Extra delims, 1 tok. */  in test_strtok()
738   check(strtok((char *)NULL, ", ") == NULL, 7);  in test_strtok()
740   equal(strtok(one, ", "), "1a", 8);	/* Changing delim lists. */  in test_strtok()
741   equal(strtok((char *)NULL, "; "), "1b", 9);  in test_strtok()
742   equal(strtok((char *)NULL, ", "), "2a", 10);  in test_strtok()
744   equal(strtok(two, "-"), "x", 11);	/* New string before done. */  in test_strtok()
745   equal(strtok((char *)NULL, "-"), "y", 12);  in test_strtok()
746   check(strtok((char *)NULL, "-") == NULL, 13);  in test_strtok()
748   equal(strtok(one, ", "), "a", 14);	/* Different separators. */  in test_strtok()
749   equal(strtok((char *)NULL, ", "), "b", 15);  in test_strtok()
750   equal(strtok((char *)NULL, " ,"), "c", 16);	/* Permute list too. */  in test_strtok()
751   equal(strtok((char *)NULL, " ,"), "d", 17);  in test_strtok()
752   check(strtok((char *)NULL, ", ") == NULL, 18);  in test_strtok()
753   check(strtok((char *)NULL, ", ") == NULL, 19);	/* Persistence. */  in test_strtok()
755   check(strtok(one, ", ") == NULL, 20);	/* No tokens. */  in test_strtok()
757   check(strtok(one, ", ") == NULL, 21);	/* Empty string. */  in test_strtok()
759   equal(strtok(one, ", "), "abc", 22);	/* No delimiters. */  in test_strtok()
760   check(strtok((char *)NULL, ", ") == NULL, 23);  in test_strtok()
762   equal(strtok(one, ""), "abc", 24);	/* Empty delimiter list. */  in test_strtok()
763   check(strtok((char *)NULL, "") == NULL, 25);  in test_strtok()
766   equal(strtok(one, ","), "a", 26);	/* Basics again... */  in test_strtok()
767   equal(strtok((char *)NULL, ","), "b", 27);  in test_strtok()
768   equal(strtok((char *)NULL, ","), "c", 28);  in test_strtok()
769   check(strtok((char *)NULL, ",") == NULL, 29);  in test_strtok()