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courses:programming:topic8 [2016/10/27 10:42]
kkv created
courses:programming:topic8 [2016/10/27 12:20]
kkv
Line 1: Line 1:
 === Лекция 8 === === Лекция 8 ===
  
 +  * опрос
 +  * экзамены
 +  * доп занятия
 +  * контрольная
   * объединения   * объединения
-  * +  * рекурсия и циклы 
 + 
 +  #include <​stdio.h>​ 
 +  #include <​string.h>​ 
 +   
 +  struct TEST { 
 + 
 +    char name[9]; 
 +    int  age; 
 + 
 +  } _test; 
 + 
 +  union TESTU  
 +  { 
 +    char name[9]; 
 +    //int  age; 
 +    char age; 
 +  } test; 
 + 
 +  int main() 
 +  { 
 +    strcpy(test.name,​ "​Vasya"​);​ 
 +    test.age = 86; 
 + 
 +    int size = (int)sizeof(test);​ 
 +    printf("​size %d\n",​size);​ 
 + 
 +    printf("​%p %p\n", &​test.name,​ &​test.age);​ 
 + 
 +    printf("​%s is %d\n",​test.name,​ test.age);​ 
 + 
 +    char *ptr = (char*)&​test;​ 
 + 
 +    for(int i=0;​i<​size;​i++) 
 +    { 
 +      printf("​[%d,​%c,​0x%X] ",​*ptr,​*ptr,​*ptr);​ 
 +      ptr++; 
 +    } 
 + 
 +    printf("​\nage = %d or 0x%X\n",​test.age,​test.age);​ 
 +  }
courses/programming/topic8.txt · Last modified: 2022/12/10 09:08 (external edit)