1 /* $OpenBSD: ptrace.c,v 1.1 1999/02/01 08:13:01 d 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 8 int _ptrace __P((int, pid_t, caddr_t, int)); 9 10 int 11 ptrace(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