ptrace.c revision 1.3 
1/*	$OpenBSD: ptrace.c,v 1.3 2003/06/11 21:03:10 deraadt Exp $	*/
2/* David Leonard <d@openbsd.org>, 1999. Public domain. */
3
4#include <sys/types.h>
5#include <sys/ptrace.h>
6#include <sys/errno.h>
7
8int _ptrace(int, pid_t, caddr_t, int);
9
10int
11ptrace(int request, pid_t pid, caddr_t addr, int data)
12{
13
14	/* ptrace(2) is documented to clear errno on success: */
15	errno = 0;
16	return (_ptrace(request, pid, addr, data));
17}
18