diff --git a/src/c/a3.c b/src/c/a3.c
index bd73458..5ce1db0 100644
--- a/src/c/a3.c
+++ b/src/c/a3.c
@@ -6,27 +6,30 @@
 
 void memdump(unsigned char *string) {
     int i;
-    unsigned char buffer[16];
+    unsigned char buffer[64];
 
-    printf("ADDR    00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 0123456789ABCDEF\n");
-    for(i = 0; i <= 32; i++) {
+    printf("ADDR    00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F  0123456789ABCDEF\n");
+    for(i = 0; i <= 64; i++) {
+        string++;
         if((i % 16) == 0) {
-            if(i != 0) printf("  %s\n", string++);
+            if(i != 0) printf("  %s\n", string);
             printf("0x%04x ", *string);
+            buffer[i] = string[i];
         }
         printf(" %02x", string[i]);
-        if ((string[i] < 0x20) || (string[i] > 0x7e)) {
-            buffer[i % 16] = '.';
-        } else {
-            buffer[i % 16] = string[i];
-        }
+        /*if ((string[i] < 0x20) || (string[i] > 0x7e))
+            buffer[i] = '.';
+        else
+            buffer[i] = string[i];*/
+
         buffer[(i % 16) + 1] = '\0';
+
+
     }
     while ((i % 16) != 0) {
         printf("   ");
         i++;
     }
-    printf("  %s\n", buffer);
 }
 
 
@@ -41,7 +44,7 @@ int main(int argc, char **argv) {
     }
 
 
-    memdump((unsigned char*)argv);
+    memdump((unsigned char*)*argv);
     char **lastAddress;
     int count = memreplace(argv[1], *argv[2], *argv[3], 0);
 
@@ -52,4 +55,6 @@ int main(int argc, char **argv) {
     memdump((unsigned char*)argv[1]);
 
     free(argv);
+
+    return 0;
 }
\ No newline at end of file