GSCapability

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GSCapability is a group of C functions that checks the capability of the device. A capability can be a simple boolean value, e.g. whether the device can take pictures, to a complex structure e.g. the screen dimensions.

Example code

if (GSSystemHasCapability(kGSMagnetometerCapability)) {
  direction = get_direction();
} else {
  printf("This device has no compass\n");
}

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