730 #define __sanitizer_syscall_pre_dup2(oldfd, newfd)                             \  argument
731   __sanitizer_syscall_pre_impl_dup2((long)(oldfd), (long)(newfd))
732 #define __sanitizer_syscall_post_dup2(res, oldfd, newfd)                       \  argument
733   __sanitizer_syscall_post_impl_dup2(res, (long)(oldfd), (long)(newfd))
734 #define __sanitizer_syscall_pre_dup3(oldfd, newfd, flags)                      \  argument
735   __sanitizer_syscall_pre_impl_dup3((long)(oldfd), (long)(newfd), (long)(flags))
736 #define __sanitizer_syscall_post_dup3(res, oldfd, newfd, flags)                \  argument
737   __sanitizer_syscall_post_impl_dup3(res, (long)(oldfd), (long)(newfd),        \
2423 void __sanitizer_syscall_pre_impl_dup2(long oldfd, long newfd);
2424 void __sanitizer_syscall_post_impl_dup2(long res, long oldfd, long newfd);
2425 void __sanitizer_syscall_pre_impl_dup3(long oldfd, long newfd, long flags);
2426 void __sanitizer_syscall_post_impl_dup3(long res, long oldfd, long newfd,