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Power Programming
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BIGDYNL.C
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C/C++ Source or Header
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1987-11-21
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1KB
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37 lines
/* Chapter 12 - Program 2 */
main()
{
struct animal {
char name[25];
char breed[25];
int age;
} *pet[12], *point; /* this defines 13 pointers, no variables */
int index;
/* first, fill the dynamic structures with nonsense */
for (index = 0;index < 12;index++) {
pet[index] = (struct animal *)malloc(sizeof(struct animal));
strcpy(pet[index]->name,"General");
strcpy(pet[index]->breed,"Mixed Breed");
pet[index]->age = 4;
}
pet[4]->age = 12; /* these lines are simply to */
pet[5]->age = 15; /* put some nonsense data into */
pet[6]->age = 10; /* a few of the fields. */
/* now print out the data described above */
for (index = 0;index <12;index++) {
point = pet[index];
printf("%s is a %s, and is %d years old.\n", point->name,
point->breed, point->age);
}
/* good programming practice dictates that we free up the */
/* dynamically allocated space before we quit. */
for (index = 0;index < 12;index++)
free(pet[index]);
}