iOS 打印系统字体

    NSArray * array = [UIFont familyNames];
    
    for( NSString *familyName in array ){
        printf( "Family: %s 
", [familyName UTF8String] );
        NSArray *fontNames = [UIFont fontNamesForFamilyName:familyName];
        for( NSString *fontName in fontNames ){
            printf( "	Font: %s 
", [fontName UTF8String] );
        }
    }