gistfile1.txt

import macros

{.emit:"""

void foobar(int i, ...) {
  va_list args;
  int j;
  printf("Count: %i\n", i);
  va_start(args, i);
  for (j = 0; j < i; j++) {
    int x = va_arg(args, int);
    printf("%i\n", x);
  }
  va_end(args);
}

""".}

proc foobar(i:cint) {.importc varargs.}

macro barfoo(nums:varargs[cint]): stmt =
  result = quote do:
    foobar(`nums`.len.cint)
  for n in nums.children:
    result[0].add(n)

barfoo(1, 2, 3)