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### 5.5 `acc_get_device_num` – Get device number to be used.

Description

  This function returns which device number associated with the specified device type devicetype, will be used when executing a parallel or kernels region.

C/C++:

  Prototype: | `int acc_get_device_num(acc_device_t devicetype);`

Fortran:

  Interface: | `function acc_get_device_num(devicetype)`
  | `integer(kind=acc_device_kind) devicetype`
  | `integer acc_get_device_num`

Reference:

  OpenACC specification v2.0, section 3.2.5.