DCTag SDK: dc_tag_init

Initialize the DCTag SDK.

Before any other API can be used correctly, you must call this function once and only once to perform a runtime initialization firstly.

Parameters

[in]	max_tag_count	the max tag count you will handle in your application.
[in]	callback	the callback function pointer, in struct dc_tag_callback. If your application will not add any tag to the DataCenter, you can ignore this parameter and give a NULL value.
[in]	user_context	the context pointer, which will be passed in the callback functions.

Returns

On success, zero is returned, otherwise an error code is returned. please refer to the enum dc_tag_error_code for the error code description.

See also

dc_tag_callback

Examples:

dc_tag_owner.c, dc_tag_read.c, dc_tag_read_subscription.c, dc_tag_update.c, and dc_tag_write.c.