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by a1369209993 2362 days ago
Actually, yes:

  #include <string.h>
  __prefix__ str; /* in scope: "","str" */
  strlen("Hi!"); /* try "strlen",done,ignore "strstrlen" */
  len("Bye"); /* no "len",try "strlen",done */
  __prefix__(foo_) { void bar(void); } /* "foo_bar" */