1731 #define CASE_OLD_ARG(old_char,new_string)		\  in main()  macro
1736           CASE_OLD_ARG ('a', "a");  in main()
1737           CASE_OLD_ARG ('b', "o1");  in main()
1738           CASE_OLD_ARG ('c', "c");  in main()
1739           CASE_OLD_ARG ('D', "u4"); /* obsolescent and undocumented */  in main()
1740           CASE_OLD_ARG ('d', "u2");  in main()
1742           CASE_OLD_ARG ('e', "fD"); /* obsolescent and undocumented */  in main()
1743           CASE_OLD_ARG ('f', "fF");  in main()
1745           CASE_OLD_ARG ('H', "x4"); /* obsolescent and undocumented */  in main()
1746           CASE_OLD_ARG ('i', "dI");  in main()
1748           CASE_OLD_ARG ('l', "dL");  in main()
1749           CASE_OLD_ARG ('O', "o4"); /* obsolescent and undocumented */  in main()
1751           CASE_OLD_ARG ('o', "o2");  in main()
1752           CASE_OLD_ARG ('s', "d2");  in main()
1754           CASE_OLD_ARG ('x', "x2");  in main()
1756 #undef CASE_OLD_ARG  in main()