opcode             26 core/ptp.c                     int h, ptp_data *data, int opcode, int sess_id, int trans_id,
opcode            440 core/ptp.c                    int h, ptp_data *data, int opcode, int sess_id, int trans_id,
opcode             44 core/ptp_chdk.h int add_ptp_handler(int opcode, ptp_handler handler, int unknown);
opcode           1684 platform/generic/wrappers.c int add_ptp_handler(int opcode, ptp_handler handler, int unknown)
opcode           1687 platform/generic/wrappers.c     return _add_ptp_handler(opcode,handler,unknown);