/include/getopt.h

https://bitbucket.org/freebsd/freebsd-head/ · C++ Header · 78 lines · 29 code · 8 blank · 41 comment · 0 complexity · 42fc4b9c8fb2ac06f7d171c40ec0f773 MD5 · raw file

  1. /* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */
  2. /* $FreeBSD$ */
  3. /*-
  4. * Copyright (c) 2000 The NetBSD Foundation, Inc.
  5. * All rights reserved.
  6. *
  7. * This code is derived from software contributed to The NetBSD Foundation
  8. * by Dieter Baron and Thomas Klausner.
  9. *
  10. * Redistribution and use in source and binary forms, with or without
  11. * modification, are permitted provided that the following conditions
  12. * are met:
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright
  16. * notice, this list of conditions and the following disclaimer in the
  17. * documentation and/or other materials provided with the distribution.
  18. *
  19. * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20. * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21. * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23. * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29. * POSSIBILITY OF SUCH DAMAGE.
  30. */
  31. #ifndef _GETOPT_H_
  32. #define _GETOPT_H_
  33. #include <sys/cdefs.h>
  34. /*
  35. * GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension.
  36. * getopt() is declared here too for GNU programs.
  37. */
  38. #define no_argument 0
  39. #define required_argument 1
  40. #define optional_argument 2
  41. struct option {
  42. /* name of long option */
  43. const char *name;
  44. /*
  45. * one of no_argument, required_argument, and optional_argument:
  46. * whether option takes an argument
  47. */
  48. int has_arg;
  49. /* if not NULL, set *flag to val when option found */
  50. int *flag;
  51. /* if flag not NULL, value to set *flag to; else return value */
  52. int val;
  53. };
  54. __BEGIN_DECLS
  55. int getopt_long(int, char * const *, const char *,
  56. const struct option *, int *);
  57. int getopt_long_only(int, char * const *, const char *,
  58. const struct option *, int *);
  59. #ifndef _GETOPT_DECLARED
  60. #define _GETOPT_DECLARED
  61. int getopt(int, char * const [], const char *);
  62. extern char *optarg; /* getopt(3) external variables */
  63. extern int optind, opterr, optopt;
  64. #endif
  65. #ifndef _OPTRESET_DECLARED
  66. #define _OPTRESET_DECLARED
  67. extern int optreset; /* getopt(3) external variable */
  68. #endif
  69. __END_DECLS
  70. #endif /* !_GETOPT_H_ */