Sams Teach Yourself C in 21 Days

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Answers for Day 11

Quiz

1. The data items in an array must all be of the same type. A structure can contain
   data items of different types.


2. The structure member operator is a period. It is used to access members of a struc-
   ture.
   3.struct


3. A structure tag is tied to a template of a structure and is not an actual variable. A
   structure instance is an allocated structure that can hold data.


4. These statements define a structure and declare an instance called myaddress. This
   instance is then initialized. The structure member myaddress.nameis initialized to
   the string “Bradley Jones”,yaddress.add1is initialized to “RTSoftware”,myad-
   dress.add2is initialized to “P.O. Box 1213”,myaddress.cityis initialized to
   “Carmel”,myaddress.stateis initialized to “IN”, andmyaddress.zipis initial-
   ized to “46032-1213”.
   6.word myWord;


5. The following statement changes ptrto point to the second array element:
   ptr++;

Exercises

1. The code is as follows:
   struct time {
   int hours;
   int minutes;
   int seconds;
   } ;


2. The code is as follows:
   struct data {
   int value1;
   float value2;
   float value3;

} info ;

3.info.value1 = 100;

4. The code is as follows:
   struct data *ptr;
   ptr = &info;

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