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/// Read value of a symbolic link. pub unsafe fn fhreadlink(fh: &mut fhandle_t, buf: &mut [u8]) -> Result<i32, Errno> { let fh_ptr = fh as *mut fhandle_t as usize; let buf_ptr = buf.as_mut_ptr() as usize; syscall2(SYS_FHREADLINK, fh_ptr, buf_ptr).map(|val| val as i32) }