memset.c 2.4 KB

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  1. /* Copyright (C) 2016 Jeremiah Orians
  2. * This file is part of M2-Planet.
  3. *
  4. * M2-Planet is free software: you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation, either version 3 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * M2-Planet is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
  16. */
  17. #include<stdlib.h>
  18. #include<stdio.h>
  19. #include<string.h>
  20. void write_string(char* s)
  21. {
  22. while(0 != s[0])
  23. {
  24. putchar(s[0]);
  25. s = s + 1;
  26. }
  27. }
  28. void memcopy(char* from, char* to, int count)
  29. {
  30. while(0 < count)
  31. {
  32. to[0] = from[0];
  33. to = to + 1;
  34. from = from + 1;
  35. count = count - 1;
  36. }
  37. }
  38. int main()
  39. {
  40. char* s = "3.141592653589793238462643383279502884197169399375105820974944592307816406286\n 208998628034825342117067982148086513282306647093844609550582231725359408128481\n 117450284102701938521105559644622948954930381964428810975665933446128475648233\n 786783165271201909145648566923460348610454326648213393607260249141273724587006\n 606315588174881520920962829254091715364367892590360011330530548820466521384146\n 951941511609433057270365759591953092186117381932611793105118548074462379962749\n 567351885752724891227938183011949129833673362440656643086021394946395224737190\n 702179860943702770539217176293176752384674818467669405132000568127145263560827\n 785771342757789609173637178721468440901224953430146549585371050792279689258923\n 542019956112129021960864034418159813629774771309960518707211349999998372978049\n 951059731732816096318595024459455346908302642522308253344685035261931188171010\n 003137838752886587533208381420617177669147303598253490428755468731159562863882\n 353787593751957781857780532171226806613001927876611195909216420198938095257201\n 065485863278865936153381827968230301952035301852968995773622599413891249721775\n 283479131515574857242454150695950829533116861727855889075098381754637464939319\n 255060400927701671139009848824012858361603563707660104710181942955596198946767\n";
  41. char* p = malloc(4096);
  42. memcopy(s, p, 959);
  43. memset(p, '$', 14);
  44. write_string(p);
  45. return 0;
  46. }