iOS fputs fgets

 /*
          1.文件路径
          2.对文件的操作
            “w” write 写
            “r” read  读
            “a” append 追加
         */
        FILE *file = fopen("/Users/hanMac/Desktop/han.txt", "w");
        
        NSString *str  = @"Han 好帅呀";
        
        const char *tempChar = [str UTF8String];
        
        fputs(tempChar, file);
        
        fclose(file);
        
        FILE *file2 = fopen("/Users/hanMac/Desktop/han.txt", "r");
        
        char tempC[1024];
        
        fgets(tempC, 1024, file);
        
        NSString *str2 = [NSString stringWithUTF8String:tempC];
        
        fclose(file2);