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Dec 9th, 2019
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  1. //---------------------------------------------------------------------------
  2.  
  3. #pragma hdrstop
  4.  
  5. //---------------------------------------------------------------------------
  6.  
  7. #pragma argsused
  8. #include<stdio.h>
  9. #include<conio.h>
  10. #include<alloc.h>
  11.  
  12.  
  13. int main(int argc, char* argv[])
  14. {
  15.  
  16. /*
  17. int i = 6;
  18. int j = 0x11223344;
  19. int k;
  20. char* adr=(char*)&j;
  21.  
  22.  
  23. printf("%x\n",*adr);
  24.  
  25. printf("adresse i: %p\n\n",&i);
  26. printf("%p %x\n",adr,*adr);
  27. printf("%p %x\n",adr+1,*(adr+1));
  28. printf("%p %x\n",adr+2,*(adr+2));
  29. printf("%p %x\n",adr+3,*(adr+3));
  30.  
  31. printf("adresse de k: %p",&k);
  32.  
  33.  
  34. getch();
  35.  
  36. */
  37.  
  38. /*
  39.  
  40. char *pc=NULL;
  41. *pc= 34;
  42. printf("%c\n",*pc);
  43. printf("%p\n",pc);
  44.  
  45. */
  46.  
  47. /*
  48. int anne = 2014;
  49. int* ptrannee=NULL;
  50. ptrannee = &anne;
  51.  
  52. printf("contenue anne: %d\n\n",anne);
  53. printf("adresse anne: %p\n\n",&anne);
  54. printf("adresse memoire du pointeur ptrannee: %p\n\n",&ptrannee);
  55. printf("contenue ptranne %d\n\n",ptrannee);
  56. printf("contenue anne par le pointeur %d\n\n",*ptrannee);
  57.  
  58. */
  59.  
  60. /*
  61. int* pi;
  62. float* pr;
  63. char* pc;
  64.  
  65. *pi =421;
  66. *(pi+1) = 53;
  67. *(pi+2)=0xabcd;
  68. *pr=45.7;
  69. pr++;
  70. printf("adresse pr vaut: %p\n",pr);
  71. *pc = 'j';
  72. pc--;
  73.  
  74. */
  75.  
  76. /*
  77. char* pc;
  78. *pc = 'a';
  79. *(pc+1)='b';
  80. *(pc+2)='c';
  81. *(pc+3)='d';
  82.  
  83. printf("%c %c %c %c",*pc,*(pc+1),*(pc+2),*(pc+3));
  84.  
  85. */
  86.  
  87. /*
  88. char* pc;
  89. int *pi,*pj,*pk;
  90. float *pr;
  91.  
  92. int i = 0;
  93. pc = (char*)malloc(10);
  94. pi = (int*)malloc(sizeof(int)*4);
  95. pr = (float*)malloc(24);
  96. pj = (int*)malloc(sizeof(int));
  97. pk = (int*)malloc(3*sizeof(int));
  98.  
  99.  
  100. while(i<4)
  101. {
  102. scanf("%d",(pi+i));
  103. printf("%d\n",*(pi+i));
  104. i++;
  105. }
  106.  
  107.  
  108.  
  109.  
  110. free(pi);
  111. free(pr);
  112. free(pj);
  113.  
  114. */
  115.  
  116. /*
  117. float adr1 = -45.78, adr2 = 678.89;
  118. float *ptradr1, *ptradr2;
  119.  
  120. ptradr1 = &adr1;
  121. ptradr2 = &adr2;
  122.  
  123. printf("%1.2f %1.2f",*ptradr1,*ptradr2);
  124.  
  125. */
  126.  
  127. getch();
  128.  
  129. return 0;
  130. }
  131. //---------------------------------------------------------------------------
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