7/18/2019 C4 Comparing Structure
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#include #include
typedef struct { char name[30]; int quantity; }fruit;
int compare ( fruit a, fruit b);int compare_advance ( fruit a,
fruit b);
int main() { int result; int result_2; fruit fruit_1, fruit_2;
printf ("Please enter the name of the first fruit and the
quantity.\n"); scanf ("%s"
"%d",&fruit_1.name,&fruit_1.quantity); printf ("Please
enter the name of the second fruit and the quantity.\n"); scanf
("%s" "%d",&fruit_2.name,&fruit_2.quantity); result=
compare (fruit_1, fruit_2); result_2= compare_advance (fruit_1,
fruit_2); printf ("comparison (only 0 and 1): %d\n", result);
printf ("comparison (0, 1 and -1): %d", result_2); }
/*return 0 or 1 ( 0 when same and 1 when different).*/
int compare ( fruit a, fruit b) { fruit *ptr_1, *ptr_2;
ptr_1=&a; ptr_2=&b; if
(strcmp((ptr_1->name),(ptr_2->name))==0 &&
((ptr_1->quantity)==(ptr_2->qu
antity))) { return 0; } else { return 1; }
}
/*return 0 (when same) and 1 when the quantity is larger and -1
when the quantity
is smaller*/
int compare_advance ( fruit a, fruit b) { fruit *ptr_1, *ptr_2;
ptr_1=&a; ptr_2=&b; if
(strcmp((ptr_1->name),(ptr_2->name))==0 &&
((ptr_1->quantity)==(ptr_2->quantity)))
