/usr/lib/petscdir/3.7.7/x86_64-linux-gnu-complex/include/petsc/finclude/ftn-custom/petscdtdef.h90 is in libpetsc-complex-3.7.7-dev 3.7.7+dfsg1-2build5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | #if defined(PETSC_USE_FORTRAN_DATATYPES)
#endif
|