Class notes Fundamental Programming (CS 1101) Programming in C, ISBN: 9780672331411

Lecture 13

, Lecture 13: Outline
• Structures [Kochan, chap 9]
– Arrays of Structures
– Structures Containing Structures and/or Arrays
• More on Data Types [Kochan, chap 14]
– Enumerated Data Types
– The typedef Statement
– Data Type Conversions

, Arrays of structures
struct time { . . . };

struct time timeUpdate (struct time now);

int main (void) {
struct time testTimes[5] =
{ { 11, 59, 59 }, { 12, 0, 0 }, { 1, 29, 59 },
{ 23, 59, 59 }, { 19, 12, 27 }};
int i;
for ( i = 0; i < 5; ++i ) {
printf ("Time is %.2i:%.2i:%.2i",
testTimes[i].hour,
testTimes[i].minutes, testTimes[i].seconds);
testTimes[i] = timeUpdate (testTimes[i]);
printf (" ...one second later it's %.2i:%.2i:%.2i\
n",
testTimes[i].hour, testTimes[i].minutes,
testTimes[i].seconds);
}
return 0;
}