add BF_putn - insert memory block.
add BF_putn - insert memory block.

MoserMichael/cstuff,MoserMichael/cstuff,MoserMichael/cstuff,MoserMichael/cstuff,MoserMichael/cstuff,MoserMichael/cstuff,MoserMichael/cstuff