* gives the number of seconds since the Epoch (00:00:00 UTC, January 1, 1970).
* Most users should use gras_os_time and should not use this function unless
they really know what they are doing. */
-double xbt_os_time(void);
+XBT_PUBLIC double xbt_os_time(void);
typedef struct s_xbt_os_timer *xbt_os_timer_t;
-xbt_os_timer_t xbt_os_timer_new(void);
-void xbt_os_timer_free(xbt_os_timer_t timer);
-void xbt_os_timer_start(xbt_os_timer_t timer);
-void xbt_os_timer_stop(xbt_os_timer_t timer);
-double xbt_os_timer_elapsed(xbt_os_timer_t timer);
+XBT_PUBLIC xbt_os_timer_t xbt_os_timer_new(void);
+XBT_PUBLIC void xbt_os_timer_free(xbt_os_timer_t timer);
+XBT_PUBLIC void xbt_os_timer_start(xbt_os_timer_t timer);
+XBT_PUBLIC void xbt_os_timer_stop(xbt_os_timer_t timer);
+XBT_PUBLIC double xbt_os_timer_elapsed(xbt_os_timer_t timer);
#endif