get the position of the first free space . concode_field_sep int firstFreeBlock concode_elem_sep boolean DETAILED_INFO concode_elem_sep int blockSize concode_elem_sep BitSet set concode_field_sep int getBlock concode_elem_sep boolean isFree concode_elem_sep long allocate concode_elem_sep long getPos concode_elem_sep void clear concode_elem_sep String toString concode_elem_sep void markUsed concode_elem_sep int getBlockCount concode_elem_sep void free concode_elem_sep int getFillRate concode_elem_sep boolean isUsed
long function ( ) { return getPos ( set . nextClearBit ( 0 ) ) ; }