Flow Analysis

/*
  product dependency
*/
product() {
  lens();
}
lens() {
  lcd();
  removable_lcd();
}
lcd() {
  memory();
}
removable_lcd() {
  memory();
}
memory() {
  mic();
}
mic() {
  second_mic();
}
/*
command line:
cflow -T -r -m product product.c
+-lcd() <lcd () at product.c:8>
  \-lens() <lens () at product.c:4>
    \-product() <product () at product.c:1>
+-lens() <lens () at product.c:4>
  \-product() <product () at product.c:1>
+-memory() <memory () at product.c:14>
  +-lcd() <lcd () at product.c:8>
  | \-lens() <lens () at product.c:4>
  |   \-product() <product () at product.c:1>
  \-removable_lcd() <removable_lcd () at product.c:11>
    \-lens() <lens () at product.c:4>
      \-product() <product () at product.c:1>
+-mic() <mic () at product.c:17>
  \-memory() <memory () at product.c:14>
    +-lcd() <lcd () at product.c:8>
    | \-lens() <lens () at product.c:4>
    |   \-product() <product () at product.c:1>
    \-removable_lcd() <removable_lcd () at product.c:11>
      \-lens() <lens () at product.c:4>
        \-product() <product () at product.c:1>
+-product() <product () at product.c:1>
+-removable_lcd() <removable_lcd () at product.c:11>
  \-lens() <lens () at product.c:4>
    \-product() <product () at product.c:1>
+-second_mic()
  \-mic() <mic () at product.c:17>
    \-memory() <memory () at product.c:14>
      +-lcd() <lcd () at product.c:8>
      | \-lens() <lens () at product.c:4>
      |   \-product() <product () at product.c:1>
      \-removable_lcd() <removable_lcd () at product.c:11>
        \-lens() <lens () at product.c:4>
          \-product() <product () at product.c:1>
*/