#define xcalloc(x,y) xcalloc_f(x,y, __FILE__, __LINE__)
#define xfree(x) xfree_f(x, __FILE__, __LINE__)
#define xstrdup(s) xstrdup_f(s, __FILE__, __LINE__)
#define xcalloc(x,y) xcalloc_f(x,y, __FILE__, __LINE__)
#define xfree(x) xfree_f(x, __FILE__, __LINE__)
#define xstrdup(s) xstrdup_f(s, __FILE__, __LINE__)