# get\_member\_offset ``` get offset of a member of a structure by the member name id - structure type ID member_name - name of structure member returns: -1 if bad structure type ID is passed or no such member in the structure otherwise returns offset of the specified member. NOTE: Union members are, in IDA's internals, located at subsequent byte offsets: member 0 -> offset 0x0, member 1 -> offset 0x1, etc... long get_member_offset(long id, string member_name); ``` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.hex-rays.com/8.4/developer-guide/idc/idc-api-reference/alphabetical-list-of-idc-functions/386.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.