731 #define __sanitizer_syscall_pre_dup2(oldfd, newfd) \  argument
732   __sanitizer_syscall_pre_impl_dup2((long)(oldfd), (long)(newfd))
733 #define __sanitizer_syscall_post_dup2(res, oldfd, newfd) \  argument
734   __sanitizer_syscall_post_impl_dup2(res, (long)(oldfd), (long)(newfd))
735 #define __sanitizer_syscall_pre_dup3(oldfd, newfd, flags) \  argument
736   __sanitizer_syscall_pre_impl_dup3((long)(oldfd), (long)(newfd), (long)(flags))
737 #define __sanitizer_syscall_post_dup3(res, oldfd, newfd, flags)         \  argument
738   __sanitizer_syscall_post_impl_dup3(res, (long)(oldfd), (long)(newfd), \
2408 void __sanitizer_syscall_pre_impl_dup2(long oldfd, long newfd);
2409 void __sanitizer_syscall_post_impl_dup2(long res, long oldfd, long newfd);
2410 void __sanitizer_syscall_pre_impl_dup3(long oldfd, long newfd, long flags);
2411 void __sanitizer_syscall_post_impl_dup3(long res, long oldfd, long newfd,