fork return value

user/app1/appl.cc

@@ -45,19 +45,26 @@ extern "C" void main() {
 
 	//sys_test(1,2,3,4,5);
 
-	fork();
+	uint8_t ret = fork();
+	//ret = fork();
 
 	unsigned id = sys_getpid();
+
 	char text[] = "appX";
 	text[3] = 0x30+id;
-	write(1, text, sizeof(text), 0, (int)id);
+	write(1, text, strlen(text), 0, (int)id);
+
+	char msg[] = "forked pid:  ";
+	msg[12] = 0x30+ret;
+	write(1, msg, strlen(msg), 6, (int)id);
+
 	uint8_t cnt = 0;
 
 	while(1){
 		cnt = (cnt+1)%100;
 		char msg[12];
 		char* num = itoa(cnt, msg);
-		write(1, num, strlen(num), 10, (int)id);
+		write(1, num, strlen(num), 25, (int)id);
 		sleep(100);
 	}