DESCRIPTION
The pam_set_data function associates a pointer to an opaque object with an arbitrary string specified by the module_data_name argument, in the PAM context specified by the pamh argument. If not NULL, the cleanup argument should point to a function responsible for releasing the resources associated with the object.
This function and its counterpart pam_get_data(3) are useful for managing data that are meaningful only to a particular service module.
RETURN VALUES
The pam_set_data function returns one of the following values:
