ICHAR (character)

  Class:  Elemental function - Generic

  Returns the position of a character in the processor's character
  set.

  The argument must have a length of 1.

  +------+---------+----------+------------+-------------+
  | Args | Generic | Specific |  Argument  | Result Type |
  +------+---------+----------+------------+-------------+
  |  1   |   --    |  --      | CHARACTER  | INTEGER*2   |
  |      |         | ICHAR    | CHARACTER  | INTEGER*4   |
  |      |         |  --      | CHARACTER  | INTEGER*8   |
  +------+---------+----------+------------+-------------+

  This function cannot be passed as an actual argument.