freestack

WMPRO, WMMINI FW >= 1.924 WMMEGA FW >= 2.0

Return free stack space

None

Integer number of bytes available in the stack

<?
  $free=freestack();
  print($free." bytes available in the stack");
?>

disk_free_space() - Return free space on microSD card

freemem() - Return free memory space

nvram_free() - Return the number of bytes available in NVRAM