The OM_value_position data type is used to indicate an attribute value's position within an attribute. Its C declaration is as follows:
typedef OM_uint32 OM_value_position;
A data value of this data type is an integer in the range 0 to 2-to-the-32nd-power-minus-1 that indicates the position of a value within an attribute. However, the value OM_ALL_VALUES has the meaning assigned to it by om_get( ).