Index: head/lib/libc/sys/ptrace.2
===================================================================
--- head/lib/libc/sys/ptrace.2
+++ head/lib/libc/sys/ptrace.2
@@ -2,7 +2,7 @@
 .\"	$NetBSD: ptrace.2,v 1.2 1995/02/27 12:35:37 cgd Exp $
 .\"
 .\" This file is in the public domain.
-.Dd October 6, 2015
+.Dd October 20, 2015
 .Dt PTRACE 2
 .Os
 .Sh NAME
@@ -306,7 +306,7 @@
 	sigset_t pl_siglist;
 	siginfo_t pl_siginfo;
 	char	pl_tdname[MAXCOMLEN + 1];
-	int	pl_child_pid;
+	pid_t	pl_child_pid;
 	u_int	pl_syscall_code;
 	u_int	pl_syscall_narg;
 };
Index: head/sys/kern/sys_process.c
===================================================================
--- head/sys/kern/sys_process.c
+++ head/sys/kern/sys_process.c
@@ -96,7 +96,7 @@
 	sigset_t	pl_siglist;	/* LWP pending signal */
 	struct siginfo32 pl_siginfo;	/* siginfo for signal */
 	char	pl_tdname[MAXCOMLEN + 1];	/* LWP name. */
-	int	pl_child_pid;		/* New child pid */
+	pid_t	pl_child_pid;		/* New child pid */
 	u_int		pl_syscall_code;
 	u_int		pl_syscall_narg;
 };
Index: head/sys/sys/ptrace.h
===================================================================
--- head/sys/sys/ptrace.h
+++ head/sys/sys/ptrace.h
@@ -112,7 +112,7 @@
 	sigset_t	pl_siglist;	/* LWP pending signal */
 	struct __siginfo pl_siginfo;	/* siginfo for signal */
 	char		pl_tdname[MAXCOMLEN + 1]; /* LWP name */
-	int		pl_child_pid;	/* New child pid */
+	pid_t		pl_child_pid;	/* New child pid */
 	u_int		pl_syscall_code;
 	u_int		pl_syscall_narg;
 };