7i-struct-struct.c 1.5 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879
  1. /* -*-comment-start: "//";comment-end:""-*-
  2. * GNU Mes --- Maxwell Equations of Software
  3. * Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  4. *
  5. * This file is part of GNU Mes.
  6. *
  7. * GNU Mes is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 3 of the License, or (at
  10. * your option) any later version.
  11. *
  12. * GNU Mes is distributed in the hope that it will be useful, but
  13. * WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
  19. */
  20. #include <mes/lib.h>
  21. #include <stdio.h>
  22. struct s
  23. {
  24. int bar;
  25. int baz;
  26. int bla[2];
  27. };
  28. struct foo
  29. {
  30. int bar;
  31. struct s s;
  32. };
  33. struct anon
  34. {
  35. struct
  36. {
  37. int bar;
  38. int baz;
  39. };
  40. };
  41. int
  42. main ()
  43. {
  44. struct foo f = { 0, 1, 2 };
  45. f.s.baz = 2;
  46. oputs ("f.s.bar=");
  47. oputs (itoa (f.s.bar));
  48. oputs ("\n");
  49. if (f.s.bar != 1)
  50. return 1;
  51. oputs ("f.s.baz=");
  52. oputs (itoa (f.s.baz));
  53. oputs ("\n");
  54. if (f.s.baz != 2)
  55. return 2;
  56. struct anon a = { 3, 4 };
  57. a.baz = 4;
  58. oputs ("a.bar=");
  59. oputs (itoa (a.bar));
  60. oputs ("\n");
  61. if (a.bar != 3)
  62. return 3;
  63. oputs ("a.baz=");
  64. oputs (itoa (a.baz));
  65. oputs ("\n");
  66. if (a.baz != 4)
  67. return 4;
  68. return 0;
  69. }