libgomp: acc_get_num_devices

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1 5.1 'acc_get_num_devices' - Get number of devices for given device type
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1 _Description_
1      This function returns a value indicating the number of devices
1      available for the device type specified in DEVICETYPE.
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1 _C/C++_:
1      _Prototype_:   'int acc_get_num_devices(acc_device_t devicetype);'
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1 _Fortran_:
1      _Interface_:   'integer function acc_get_num_devices(devicetype)'
1                     'integer(kind=acc_device_kind) devicetype'
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1 _Reference_:
1      OpenACC specification v2.0 (https://www.openacc.org), section
1      3.2.1.
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