●プログラム・リスト●

#import <Foundation/Foundation.h>
#import "SampleData.h"

NSString* input();

int main (int argc, const char * argv[])
{
    @autoreleasepool {
        NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
        NSMutableDictionary* memo = [defaults sampleDataDicForKey:@"newmemo"];
        BOOL flg = YES;
        while (flg) {
            printf("[a]dd or [f]ind: ");
            NSString* cmd = input();
            if ([cmd isEqualToString:@""]) {
                flg = NO;
            }
            if ([cmd isEqualToString:@"a"]) {
                printf("key:");
                NSString* keystr = input();
                printf("mail:");
                NSString* mailstr = input();
                printf("memo:");
                NSString* memostr = input();
                SampleData* obj = [[SampleData alloc] init];
                obj.key = keystr;
                obj.mail = mailstr;
                obj.memo = memostr;
                [memo setValue:obj forKey:keystr];
                printf("saved...\n");
            }
            if ([cmd isEqualToString:@"f"]) {
                printf("find: ");
                NSString* fstr = input();
                SampleData* obj = [memo valueForKey:fstr];
                printf("%s: %s, %s\n",
                       [fstr cStringUsingEncoding:NSUTF8StringEncoding],
                       [obj.mail cStringUsingEncoding:NSUTF8StringEncoding],
                       [obj.memo cStringUsingEncoding:NSUTF8StringEncoding]);
            }
        }
        
        [defaults setSampleDataDic:memo forKey:@"newmemo"];
        [defaults synchronize];
        printf("bye...");
    }
    return 0;
}

// テキストの入力用関数
NSString* input()
{
    char str[255];
    fgets(str, 255, stdin);
    NSString* result = [NSString stringWithUTF8String:str];
    return [result stringByTrimmingCharactersInSet:
            [NSCharacterSet whitespaceAndNewlineCharacterSet]];
}