dmmp_mpath_wwid_get - Man Page

const char * dmmp_mpath_wwid_get (struct dmmp_mpath *dmmp_mp);

dmmp_mp

Pointer of 'struct dmmp_mpath'. If this pointer is NULL, your program will be terminated by assert.

const char *. No need to free this memory, the resources will get freed when dmmp_mpath_array_free.