1 files changed, 1 insertions, 1 deletions
diff --git a/ch2/2-03.c b/ch2/2-03.c
index 54ce89f..0376484 100644
--- a/ch2/2-03.c
+++ b/ch2/2-03.c
@@ -8,7 +8,7 @@ unsigned int htoi(char hex[]) {
     int power;
     unsigned int result;
 
-    for (length = 0; hex[length] != '\0'; ++length)
+    for (length = 0; hex[length]; ++length)
 
     power = 1;
     result = 0;