#include "php.h"
#include "php_spl.h"
-PHPAPI zend_class_entry *spl_ce_SplHeap;
-PHPAPI zend_class_entry *spl_ce_SplMinHeap;
-PHPAPI zend_class_entry *spl_ce_SplMaxHeap;
+extern PHPAPI zend_class_entry *spl_ce_SplHeap;
+extern PHPAPI zend_class_entry *spl_ce_SplMinHeap;
+extern PHPAPI zend_class_entry *spl_ce_SplMaxHeap;
-PHPAPI zend_class_entry *spl_ce_SplPriorityQueue;
+extern PHPAPI zend_class_entry *spl_ce_SplPriorityQueue;
PHP_MINIT_FUNCTION(spl_heap);
BEGIN_EXTERN_C()
/* holds the index of the latest fetched element from the opts array */
-PHPAPI int php_optidx;
+extern PHPAPI int php_optidx;
PHPAPI int php_getopt(int argc, char* const *argv, const opt_struct opts[], char **optarg, int *optind, int show_err, int arg_start);
END_EXTERN_C()