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man pages section 9: DDI and DKI Properties and Data Structures |
- STREAMS data structure for the M_COPYIN and the M_COPYOUT message types
#include <sys/stream.h>
Architecture independent level 1 (DDI/DKI)
The data structure for the M_COPYIN and the M_COPYOUT message types.
int cq_cmd; /* ioctl command (from ioc_cmd) */ cred_t *cq_cr; /* full credentials */ uint_t cq_id; /* ioctl id (from ioc_id) */ uint_t cq_flag; /* must be zero */ mblk_t *cq_private; /* private state information */ caddr_t cq_addr; /* address to copy data to/from */ size_t cq_size; /* number of bytes to copy */