# dmmp_context_userdata_set(3) - man - phpman

[dmmp_context_userdata_set(3)](https://www.chedong.com/phpMan.php/man/dmmpcontextuserdataset/3/markdown)Device Mapper Multipath API - libdmmp [Manualdmmp_context_userdata_set(3)](https://www.chedong.com/phpMan.php/man/Manualdmmpcontextuserdataset/3/markdown)



## NAME
       dmmp_context_userdata_set - Set user data pointer.

## SYNOPSIS
       **void** **dmmp**___**context**___**userdata**___**set** **(struct** **dmmp**___**context** *****_ctx_**,** **void** *****_userdata_**);**

## ARGUMENTS
       ctx         Pointer  of 'struct dmmp_context'.  If this pointer is NULL, your program will be
                   terminated by assert.

       userdata    Pointer of user defined data.

## DESCRIPTION
       Store user data pointer into 'struct dmmp_context'.

## RETURN
       void



March 2018                            dmmp_context_userdata_set         [dmmp_context_userdata_set(3)](https://www.chedong.com/phpMan.php/man/dmmpcontextuserdataset/3/markdown)