-#ifdef _REGEX_SOURCE
-
-/* Define the POSIX-compatible member names in terms of the
- incompatible (and deprecated) names established by _REG_RE_NAME.
- New programs should use the re_* names. */
-
-# define re_allocated allocated
-# define re_buffer buffer
-# define re_can_be_null can_be_null
-# define re_fastmap fastmap
-# define re_newline_anchor newline_anchor
-# define re_no_sub no_sub
-# define re_not_bol not_bol
-# define re_not_eol not_eol
-# define re_regs_allocated regs_allocated
-# define re_syntax syntax
-# define re_translate translate
-# define re_used used
-
-/* Similarly for _REG_RM_NAME. */
-
-# define rm_end end
-# define rm_num_regs num_regs
-# define rm_start start
-
-/* Undef RE_DUP_MAX first, in case the user has already included a
- <limits.h> with an incompatible definition.
-
- On GNU systems, the most common spelling for RE_DUP_MAX's value in
- <limits.h> is (0x7ffff), so define RE_DUP_MAX to that, not to
- REG_DUP_MAX. This avoid some duplicate-macro-definition warnings
- with programs that include <limits.h> after this file.
-
- New programs should not assume that regex.h defines RE_DUP_MAX; to
- get the value of RE_DUP_MAX, they should instead include <limits.h>
- and possibly invoke the sysconf function. */
-
-# undef RE_DUP_MAX
-# define RE_DUP_MAX (0x7fff)
-
-/* Define the following symbols for backward source compatibility.
- These symbols violate the POSIX name space rules, and new programs
- should avoid them. */
-
-# define REGS_FIXED REG_FIXED
-# define REGS_REALLOCATE REG_REALLOCATE
-# define REGS_UNALLOCATED REG_UNALLOCATED
-# define RE_BACKSLASH_ESCAPE_IN_LISTS REG_BACKSLASH_ESCAPE_IN_LISTS
-# define RE_BK_PLUS_QM REG_BK_PLUS_QM
-# define RE_CARET_ANCHORS_HERE REG_CARET_ANCHORS_HERE
-# define RE_CHAR_CLASSES REG_CHAR_CLASSES
-# define RE_CONTEXT_INDEP_ANCHORS REG_CONTEXT_INDEP_ANCHORS
-# define RE_CONTEXT_INDEP_OPS REG_CONTEXT_INDEP_OPS
-# define RE_CONTEXT_INVALID_DUP REG_CONTEXT_INVALID_DUP
-# define RE_CONTEXT_INVALID_OPS REG_CONTEXT_INVALID_OPS
-# define RE_DEBUG REG_DEBUG
-# define RE_DOT_NEWLINE REG_DOT_NEWLINE
-# define RE_DOT_NOT_NULL REG_DOT_NOT_NULL
-# define RE_HAT_LISTS_NOT_NEWLINE REG_HAT_LISTS_NOT_NEWLINE
-# define RE_ICASE REG_IGNORE_CASE /* avoid collision with REG_ICASE */
-# define RE_INTERVALS REG_INTERVALS
-# define RE_INVALID_INTERVAL_ORD REG_INVALID_INTERVAL_ORD
-# define RE_LIMITED_OPS REG_LIMITED_OPS
-# define RE_NEWLINE_ALT REG_NEWLINE_ALT
-# define RE_NO_BK_BRACES REG_NO_BK_BRACES
-# define RE_NO_BK_PARENS REG_NO_BK_PARENS
-# define RE_NO_BK_REFS REG_NO_BK_REFS
-# define RE_NO_BK_VBAR REG_NO_BK_VBAR
-# define RE_NO_EMPTY_RANGES REG_NO_EMPTY_RANGES
-# define RE_NO_GNU_OPS REG_NO_GNU_OPS
-# define RE_NO_POSIX_BACKTRACKING REG_NO_POSIX_BACKTRACKING
-# define RE_NO_SUB REG_NO_SUB
-# define RE_NREGS REG_NREGS
-# define RE_SYNTAX_AWK REG_SYNTAX_AWK
-# define RE_SYNTAX_ED REG_SYNTAX_ED
-# define RE_SYNTAX_EGREP REG_SYNTAX_EGREP
-# define RE_SYNTAX_EMACS REG_SYNTAX_EMACS
-# define RE_SYNTAX_GNU_AWK REG_SYNTAX_GNU_AWK
-# define RE_SYNTAX_GREP REG_SYNTAX_GREP
-# define RE_SYNTAX_POSIX_AWK REG_SYNTAX_POSIX_AWK
-# define RE_SYNTAX_POSIX_BASIC REG_SYNTAX_POSIX_BASIC
-# define RE_SYNTAX_POSIX_EGREP REG_SYNTAX_POSIX_EGREP
-# define RE_SYNTAX_POSIX_EXTENDED REG_SYNTAX_POSIX_EXTENDED
-# define RE_SYNTAX_POSIX_MINIMAL_BASIC REG_SYNTAX_POSIX_MINIMAL_BASIC
-# define RE_SYNTAX_POSIX_MINIMAL_EXTENDED REG_SYNTAX_POSIX_MINIMAL_EXTENDED
-# define RE_SYNTAX_SED REG_SYNTAX_SED
-# define RE_UNMATCHED_RIGHT_PAREN_ORD REG_UNMATCHED_RIGHT_PAREN_ORD
-# ifndef RE_TRANSLATE_TYPE
-# define RE_TRANSLATE_TYPE REG_TRANSLATE_TYPE
-# endif
-
-#endif /* defined _REGEX_SOURCE */
-