ptrace.c revision 1.2
1/* $OpenBSD: ptrace.c,v 1.2 2002/02/16 21:27:24 millert 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(request, pid, addr, data) 12 int request; 13 pid_t pid; 14 caddr_t addr; 15 int data; 16{ 17 18 /* ptrace(2) is documented to clear errno on success: */ 19 errno = 0; 20 return (_ptrace(request, pid, addr, data)); 21} 22