3 files changed, 4 insertions, 6 deletions
diff --git a/Makefile b/Makefile
index e8ab26f..906a92b 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ all: getgbook
 
 .c.o:
 	@echo CC $<
-	@$(CC) -c -g $(CFLAGS) $<
+	@$(CC) -c -g -Wall $(CFLAGS) $<
 
 $(OBJ): util.c
 
diff --git a/getgbook.c b/getgbook.c
index 98e1b0b..6f6870f 100644
--- a/getgbook.c
+++ b/getgbook.c
@@ -45,9 +45,8 @@ char *getgbookid(char *isbn)
 
 int main(int argc, char *argv[])
 {
-	int i, s;
-	char *bookid, url[80], isbn[16];
-	char *curpage;
+	int i;
+	char *bookid, isbn[16];
 	FILE *srv;
 
 	if(argc != 2)
@@ -58,9 +57,7 @@ int main(int argc, char *argv[])
 	i = dial(hostname, "80");
 	srv = fdopen(i, "r+");
 
-	/* get google book id */
 	bookid = getgbookid(isbn);
-
 	printf("bookid is %s\n", bookid);
 
 	free(bookid);
diff --git a/util.c b/util.c
index 3f969a6..5c3cb23 100644
--- a/util.c
+++ b/util.c
@@ -1,5 +1,6 @@
 /* See COPYING file for copyright, license and warranty details. */
 
+#include <unistd.h>
 #include <netdb.h>
 #include <netinet/in.h>
 #include <sys/socket.h>