copyout man page on DigitalUNIX

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copyout(9r)							   copyout(9r)

       copyout	-  General:  Copies data from a kernel address space to a user
       address space

       int copyout(
	       caddr_t kernel_src,
	       caddr_t user_dest,
	       u_int bcount );

       Specifies the address in kernel space of the data to be copied.	Speci‐
       fies the address in user space to copy the data to.  Specifies the num‐
       ber of bytes to copy.

       The copyout routine copies a specified amount of	 data  from  the  pro‐
       tected kernel address space to the unprotected user address space.

       Upon  successful completion, copyout returns the value 0 (zero). Other‐
       wise, it returns the following error: The address in kernel space  that
       you  specified  in  the kernel_src argument cannot be accessed; or, the
       length you specified in bcount is invalid.

       Routines: copyin(9r), copyoutstr(9r)


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