freebsd-dev/lib/libc/sys/sysarch.2
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.\" $NetBSD: sysarch.2,v 1.6 1998/02/25 21:24:57 perry Exp $
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.\" from: @(#)syscall.2 6.3 (Berkeley) 3/10/91
.\"
.Dd October 11, 1993
.Dt SYSARCH 2
.Os
.Sh NAME
.Nm sysarch
.Nd architecture-dependent system call
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In machine/sysarch.h
.Ft int
.Fn sysarch "int number" "void *args"
.Sh DESCRIPTION
The
.Fn sysarch
system call
performs the architecture-dependent function
specified by
.Fa number
with the arguments specified by the
.Fa args
pointer.
The
.Fa args
argument
is a pointer to a structure defining the actual
arguments of the function.
Symbolic constants and argument structures
for the architecture-dependent
functions can be found in the header file
.In machine/sysarch.h .
.Pp
The
.Fn sysarch
system call should never be called directly by
user programs.
Instead, they should access
its functions using the architecture-dependent
library.
.Sh RETURN VALUES
See the manual pages for specific architecture-dependent system calls
for information about their return values.
.Sh SEE ALSO
.Xr i386_get_ioperm 2 ,
.Xr i386_get_ldt 2 ,
.Xr i386_vm86 2
.Sh HISTORY
This manual page was taken from
.Nx .