MQDCC_* (Conversion Options Masks and Factors)

See:

MQDCC_SOURCE_ENC_MASK 240 X'000000F0'
MQDCC_TARGET_ENC_MASK 3840 X'00000F00'
MQDCC_SOURCE_ENC_FACTOR 16 X'00000010'
MQDCC_TARGET_ENC_FACTOR 256 X'00000100'