s <- as.integer(length(x))
if (s < p) stop("sequence shorter than the pattern")
ans <- .C("where", x, pat, s, p, integer(s), 0L,
- DUP = FALSE, NAOK = TRUE, PACKAGE = "apex")
+ DUP = FALSE, NAOK = TRUE, PACKAGE = "ape")
n <- ans[[6]]
if (n) ans[[5]][seq_len(n)] - p + 2L else integer()
}