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Char Array in Struct printing garbage

when I run this, the partName char array prints garbage chars. any idea why? Thanks!

typedef struct {
char partName[30]; 
int partNumber; 
float price; 
int stock; 
int reorder;
} inventory;
struct address{
char streetAddress[25]; 
char city[20];
char state[3]; 
char zipCode[6];
};
void GetData(){

inventory order;
address orderAddress;
printf("Enter the part number (Database Includes orders 0001 - 0005):  ");

scanf("%d", &order.partNumber);

if(order.partNumber == 0001){
order.partName == "Pokeball";
order.price == 200;
order.stock == 8263;
order.reorder == 888273;

orderAddress.streetAddress == "21 Oak St.";
orderAddress.city == "Kanto Town";
orderAddress.state == "IA";
orderAddress.zipCode == "28832";

printf("Part was: %s ", order.partName);
//printf("Order was sent to: \n %s\n %s\n %s\n %s\n", orderAddress.streetAddress,         orderAddress.city, orderAddress.state, orderAddress.zipCode);
 }

It's printing some random chars, and I'm sure it's a simple error somewhere.

Thanks Guys!

The following aren't assignments . They are comparisons :

order.partName == "Pokeball";
order.price == 200;
order.stock == 8263;
order.reorder == 888273;

orderAddress.streetAddress == "21 Oak St.";
orderAddress.city == "Kanto Town";
orderAddress.state == "IA";
orderAddress.zipCode == "28832";

To assign to integers, write

order.price = 200;

To assign to C strings, use strcpy() et al.

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