12066 Convert copyreq(9S) to mandoc

*** 1,17 ****
  COPYREQ(9S)               Data Structures for Drivers              COPYREQ(9S)
  
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  NAME
         copyreq - STREAMS data structure for the M_COPYIN and the M_COPYOUT
         message types
  
  SYNOPSIS
         #include <sys/stream.h>
  
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  INTERFACE LEVEL
         Architecture independent level 1 (DDI/DKI)
  
  DESCRIPTION
         The data structure for the M_COPYIN and the M_COPYOUT message types.
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           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 */
  
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  SEE ALSO
!        STREAMS Programming Guide
  
! 
! 
!                                 October 6, 2000                    COPYREQ(9S)
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         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 */
  
  SEE ALSO
!      STREAMS Programming Guide.
  
! illumos                          July 9, 2018                          illumos