20010701-1.c

this is a gcc file, you can download it and learn its usetility, for further detail please look at t

/* Test that postfix attributes only apply to a single declared object.
   (decl_attributes used to chain them onto the end of the prefix attributes,
   which caused them to apply to other declarations as well.)  */
/* Origin: Joseph Myers <[e-mail]>.  */
void __attribute__((__noreturn__)) foo (const char *, ...) __attribute__((__format__(__printf__, 1, 2))), bar (void);