PORTFLIO

def read_smaps_rollup(pid: int) -> tuple[int, int]:
    pss = rss = 0
    for line in open(f"/proc/{pid}/smaps_rollup"):
        if line.startswith("Pss:"): pss = int(line.split()[1])
        elif line.startswith("Rss:"): rss = int(line.split()[1])
    return pss, rss

function solveSeriesRLC(f, r, l, c) {
  const w = 2 * Math.PI * f;
  const xL = w * l, xC = 1 / (w * c);
  const z = Math.hypot(r, xL - xC);
  return { z, phase: Math.atan2(xL - xC, r) };
}

int auth_ir(const char *user) {
  pam_handle_t *h = NULL;
  struct pam_conv c = { pam_conv_cb, NULL };
  if (pam_start("howdy-lock", user, &c, &h)) return -1;
  if (pam_authenticate(h, PAM_SILENT)) return -1;
  return pam_end(h, PAM_SUCCESS);
}