diff --git a/lib/libc/rpc/rpc_callmsg.c b/lib/libc/rpc/rpc_callmsg.c
index 0e29e09a92ad..4063e8bf895d 100644
--- a/lib/libc/rpc/rpc_callmsg.c
+++ b/lib/libc/rpc/rpc_callmsg.c
@@ -193,11 +193,11 @@ xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg)
 	    xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
 	    xdr_enum(xdrs, (enum_t *) prm_direction) &&
 	    (cmsg->rm_direction == CALL) &&
-	    xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
+	    xdr_rpcvers(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
 	    (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
-	    xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) &&
-	    xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) &&
-	    xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) &&
+	    xdr_rpcprog(xdrs, &(cmsg->rm_call.cb_prog)) &&
+	    xdr_rpcvers(xdrs, &(cmsg->rm_call.cb_vers)) &&
+	    xdr_rpcproc(xdrs, &(cmsg->rm_call.cb_proc)) &&
 	    xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
 		return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));
 	return (FALSE);
diff --git a/lib/libc/rpc/rpc_prot.c b/lib/libc/rpc/rpc_prot.c
index cd38ac1c99ff..50d11ccc8735 100644
--- a/lib/libc/rpc/rpc_prot.c
+++ b/lib/libc/rpc/rpc_prot.c
@@ -119,9 +119,9 @@ xdr_accepted_reply(XDR *xdrs, struct accepted_reply *ar)
 		return ((*(ar->ar_results.proc))(xdrs, ar->ar_results.where));
 
 	case PROG_MISMATCH:
-		if (! xdr_u_int32_t(xdrs, &(ar->ar_vers.low)))
+		if (!xdr_rpcvers(xdrs, &(ar->ar_vers.low)))
 			return (FALSE);
-		return (xdr_u_int32_t(xdrs, &(ar->ar_vers.high)));
+		return (xdr_rpcvers(xdrs, &(ar->ar_vers.high)));
 
 	case GARBAGE_ARGS:
 	case SYSTEM_ERR:
@@ -152,9 +152,9 @@ xdr_rejected_reply(XDR *xdrs, struct rejected_reply *rr)
 	switch (rr->rj_stat) {
 
 	case RPC_MISMATCH:
-		if (! xdr_u_int32_t(xdrs, &(rr->rj_vers.low)))
+		if (! xdr_rpcvers(xdrs, &(rr->rj_vers.low)))
 			return (FALSE);
-		return (xdr_u_int32_t(xdrs, &(rr->rj_vers.high)));
+		return (xdr_rpcvers(xdrs, &(rr->rj_vers.high)));
 
 	case AUTH_ERROR:
 		prj_why = &rr->rj_why;
diff --git a/lib/libc/rpc/rpcb_st_xdr.c b/lib/libc/rpc/rpcb_st_xdr.c
index 8919144c8289..9abc0286f109 100644
--- a/lib/libc/rpc/rpcb_st_xdr.c
+++ b/lib/libc/rpc/rpcb_st_xdr.c
@@ -51,10 +51,10 @@ xdr_rpcbs_addrlist(XDR *xdrs, rpcbs_addrlist *objp)
 {
 	struct rpcbs_addrlist **pnext;
 
-	    if (!xdr_u_int32_t(xdrs, &objp->prog)) {
+	    if (!xdr_rpcprog(xdrs, &objp->prog)) {
 		return (FALSE);
 	    }
-	    if (!xdr_u_int32_t(xdrs, &objp->vers)) {
+	    if (!xdr_rpcvers(xdrs, &objp->vers)) {
 		return (FALSE);
 	    }
 	    if (!xdr_int(xdrs, &objp->success)) {
@@ -89,13 +89,13 @@ xdr_rpcbs_rmtcalllist(XDR *xdrs, rpcbs_rmtcalllist *objp)
 	if (xdrs->x_op == XDR_ENCODE) {
 	buf = XDR_INLINE(xdrs, 6 * BYTES_PER_XDR_UNIT);
 	if (buf == NULL) {
-		if (!xdr_u_int32_t(xdrs, &objp->prog)) {
+		if (!xdr_rpcprog(xdrs, &objp->prog)) {
 			return (FALSE);
 		}
-		if (!xdr_u_int32_t(xdrs, &objp->vers)) {
+		if (!xdr_rpcvers(xdrs, &objp->vers)) {
 			return (FALSE);
 		}
-		if (!xdr_u_int32_t(xdrs, &objp->proc)) {
+		if (!xdr_rpcproc(xdrs, &objp->proc)) {
 			return (FALSE);
 		}
 		if (!xdr_int(xdrs, &objp->success)) {
@@ -128,13 +128,13 @@ xdr_rpcbs_rmtcalllist(XDR *xdrs, rpcbs_rmtcalllist *objp)
 	} else if (xdrs->x_op == XDR_DECODE) {
 	buf = XDR_INLINE(xdrs, 6 * BYTES_PER_XDR_UNIT);
 	if (buf == NULL) {
-		if (!xdr_u_int32_t(xdrs, &objp->prog)) {
+		if (!xdr_rpcprog(xdrs, &objp->prog)) {
 			return (FALSE);
 		}
-		if (!xdr_u_int32_t(xdrs, &objp->vers)) {
+		if (!xdr_rpcvers(xdrs, &objp->vers)) {
 			return (FALSE);
 		}
-		if (!xdr_u_int32_t(xdrs, &objp->proc)) {
+		if (!xdr_rpcproc(xdrs, &objp->proc)) {
 			return (FALSE);
 		}
 		if (!xdr_int(xdrs, &objp->success)) {
@@ -164,13 +164,13 @@ xdr_rpcbs_rmtcalllist(XDR *xdrs, rpcbs_rmtcalllist *objp)
 	}
 	return (TRUE);
 	}
-	if (!xdr_u_int32_t(xdrs, &objp->prog)) {
+	if (!xdr_rpcprog(xdrs, &objp->prog)) {
 		return (FALSE);
 	}
-	if (!xdr_u_int32_t(xdrs, &objp->vers)) {
+	if (!xdr_rpcvers(xdrs, &objp->vers)) {
 		return (FALSE);
 	}
-	if (!xdr_u_int32_t(xdrs, &objp->proc)) {
+	if (!xdr_rpcproc(xdrs, &objp->proc)) {
 		return (FALSE);
 	}
 	if (!xdr_int(xdrs, &objp->success)) {