Adding binary and hexa get

include/my.h

@@ -6,6 +6,8 @@
 */
 #pragma once
 
+int my_str_islower_or_num(const char *str);
+
 int count_valid_queens_placements(int n);
 
 char *my_strchr(char *str, char c);

include/xml.h

@@ -31,6 +31,8 @@ node *xml_parse(const char *path);
 node *xml_getnode(node *parent, const char *name);
 char *xml_getproperty(node *n, const char *key);
 int xml_getintprop(node *n, const char *key);
+int xml_getbinaprop(node *n, const char *key);
+int xml_gethexaprop(node *n, const char *key);
 float xml_getfloatprop(node *n, const char *key);
 int xml_getchildcount(node *n);
 void xml_destroy(node *n);