#include <assert.h>
#define WATCHPOINT fprintf(stderr, "\nWATCHPOINT %s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);
#include <assert.h>
#define WATCHPOINT fprintf(stderr, "\nWATCHPOINT %s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout);