osf1 man page for copyin

Query: copyin

OS: osf1

Section: 9r

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

copyin(9r)																copyin(9r)

NAME
copyin - General: Copies data from a user address space to a kernel address space
SYNOPSIS
int copyin( caddr_t user_src, caddr_t kernel_dest, u_int bcount );
ARGUMENTS
Specifies the address in user space of the data to be copied. Specifies the address in kernel space to copy the data to. Specifies the number of bytes to copy.
DESCRIPTION
The copyin routine copies a specified amount of data from the unprotected user address space to the protected kernel address space.
RETURN VALUES
Upon successful completion, copyin returns a value of 0 (zero). Otherwise, it can return the following error: The address in user space that you specified in the user_src argument cannot be accessed.
SEE ALSO
Routines: copyinstr(9r), copyout(9r) copyin(9r)
Related Man Pages
copy(9) - debian
copyout(9) - debian
copy(9) - osf1
copy(9) - linux
copyout(9) - minix
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