_gfortran_caf_is_present— Query whether an allocatable or pointer component in a derived type coarray is allocated
Used to query the coarray library whether an allocatable component in a derived type coarray is allocated on a remote image.
void _gfortran_caf_is_present (caf_token_t token, int image_index,
|token||An opaque pointer identifying the coarray.|
|image_index||The ID of the remote image; must be a positive number.|
|ref||A chain of references to address the allocatable or pointer component in the derived type coarray. The object reference needs to be a scalar or a full array reference, respectively.|