SMHttpDnsUtils.h 386 Bytes

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//
//  SMHttpDnsUtils.h
//  DNSProxy
//
//  Created by cairui01 on 16/11/10.
//  Copyright © 2016年 baidu. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface SMHttpDnsUtils : NSObject

+ (BOOL)isIpReachable:(NSString*)ip;

+ (NSString *)base64_encode_data:(NSData *)data;

+ (NSData *)base64_decode:(NSString *)str;

+ (BOOL)isBlankString:(NSString*)string;

@end