string to int/double instead of type casting

doubleComp.c

@@ -7,6 +7,7 @@
 /* Miguel Espino | lfc083 | 11352639 */
 
 #include <qsort.h> 
+#include <stdlib.h>
 
 /* returns -1 if first < second
  * returns 0 if first == second
@@ -16,8 +17,8 @@ int compareDouble(void *first, void *second)
 {
   double dFirst, dSecond;
 
-  dFirst = *(double*)first;
-  dSecond = *(double*)second;
+  dFirst = strtod(first,NULL);
+  dSecond = strtod(second,NULL);
 
   if(dFirst < dSecond){
     return -1;

intComp.c

@@ -19,8 +19,8 @@ int compareInt(void *first, void *second)
 {
  int iFirst, iSecond;
 
- iFirst = *(int*)first;
- iSecond = *(int*)second;
+ iFirst = atoi(first);
+ iSecond = atoi(second);
 
  if(iFirst < iSecond){
     return -1;