diff --git a/examples/0_forward/alice.c b/examples/0_forward/alice.c
index 43ec7726a57900c2946a8356f26173459656246a..b8d1cd5d2a78d69512c78f4da3117c35d55d4d36 100644
--- a/examples/0_forward/alice.c
+++ b/examples/0_forward/alice.c
@@ -1,59 +1,38 @@
 #include <stdio.h>
 #include <string.h>
 #include "../../reowolf.h"
+#include "../check.c"
 
-int main() {
-	// ALICE
-	
-	char* pdl ="\
-	primitive forward(in i, out o) {\
-		while(true) synchronous {\
-			put(o, get(i));\
-		}\
-	}";
+int main() { // ALICE
 	
+	char* pdl =
+	"primitive forward(in i, out o) {"
+	"	while(true) synchronous {"
+	"		put(o, get(i));"
+	"	}"
+	"}"
+	;
 	
 	char msg_buf[128];
 	memset(msg_buf, 0, 128);
 	
 	printf("input a message to send:");
-	if (fgets(msg_buf, 128-1, stdin) == NULL) {
-		printf("LINE READ BAD\n");
-		return 1;
-	}
+
+	check("fgets", fgets(msg_buf, 128-1, stdin) == NULL);
 	int msg_len = strlen(msg_buf);
 	msg_buf[msg_len-1] = 0;
 	printf("sending msg `%s`\n", msg_buf);
 	
 	Connector* c = connector_new();
-	if (connector_configure(c, pdl, "forward")) {
-		printf("CONFIG FAILED: %s\n", connector_error_peek());
-		return 1;
-	}
-	if (connector_bind_native(c, 0)) {
-		printf("BIND0 FAILED: %s\n", connector_error_peek());
-		return 1;
-	}
-	if (connector_bind_passive(c, 1, "127.0.0.1:7000")) {
-		printf("BIND1 FAILED: %s\n", connector_error_peek());
-		return 1;
-	}
-	printf("connecting... \n");
-	if (connector_connect(c, 10000)) {
-		printf("CONNECT FAILED: %s\n", connector_error_peek());
-		return 1;
-	}
+	check("config ", connector_configure(c, pdl, "forward"));
+	check("bind 0 ", connector_bind_native(c, 0));
+	check("bind 1 ", connector_bind_passive(c, 1, "127.0.0.1:7000"));
+	check("connect", connector_connect(c, 10000));
 	
 	int i;
 	for (i = 0; i < 3; i++) {
-		if (connector_put(c, 0, msg_buf, msg_len)) {
-			printf("CONNECT PUT: %s\n", connector_error_peek());
-			return 1;
-		}
-		if (connector_sync(c, 10000)) {
-			printf("SYNC FAILED: %s\n", connector_error_peek());
-			return 1;
-		}
+		check("put ", connector_put(c, 0, msg_buf, msg_len));
+		check("sync", connector_sync(c, 10000));
 		printf("SEND OK\n");
 	}