This file is indexed.

/usr/lib/petscdir/3.7.5/x86_64-linux-gnu-real-debug/include/petsc/finclude/ftn-custom/petscsnes.h90 is in libpetsc3.7.5-dbg 3.7.5+dfsg1-4+b1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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#if !defined(PETSC_USE_FORTRAN_MODULES)
#include "petsc/finclude/ftn-custom/petscsnesdef.h90"
#endif
#include "petsc/finclude/ftn-custom/petscvechide.h90"
#include "petsc/finclude/ftn-custom/petscdmhide.h90"
#include "petsc/finclude/ftn-custom/petscsneshide.h90"

      Interface
        Subroutine DMPlexGetCellFields(m,s,e,x,xt,a,u,ut,v,ierr)
          USE_DM_HIDE
          PetscInt  s, e
          VEC_HIDE  x, xt, a
          PetscScalar, pointer :: u(:)
          PetscScalar, pointer :: ut(:)
          PetscScalar, pointer :: v(:)
          PetscErrorCode ierr
          DM_HIDE m
        End Subroutine
      End Interface

      Interface
        Subroutine DMPlexRestoreCellFields(m,s,e,x,xt,a,u,ut,v,ierr)
          USE_DM_HIDE
          PetscInt  s, e
          VEC_HIDE  x, xt, a
          PetscScalar, pointer :: u(:)
          PetscScalar, pointer :: ut(:)
          PetscScalar, pointer :: v(:)
          PetscErrorCode ierr
          DM_HIDE m
        End Subroutine
      End Interface

      Interface
        Subroutine DMPlexGetFaceFields(m,s,e,x,xt,f,c,g,uL,uR,ierr)
          USE_DM_HIDE
          PetscInt  s, e
          VEC_HIDE  x, xt, f, c, g
          PetscScalar, pointer :: uL(:)
          PetscScalar, pointer :: uR(:)
          PetscErrorCode ierr
          DM_HIDE m
        End Subroutine
      End Interface

      Interface
        Subroutine DMPlexRestoreFaceFields(m,s,e,x,xt,f,c,g,uL,uR,ierr)
          USE_DM_HIDE
          PetscInt  s, e
          VEC_HIDE  x, xt, f, c, g
          PetscScalar, pointer :: uL(:)
          PetscScalar, pointer :: uR(:)
          PetscErrorCode ierr
          DM_HIDE m
        End Subroutine
      End Interface

      Interface
        Subroutine DMPlexGetFaceGeometry(m,s,e,f,c,g,v,ierr)
          USE_DM_HIDE
          PetscInt  s, e
          VEC_HIDE  f, c
          PetscScalar, pointer :: g(:)
          PetscScalar, pointer :: v(:)
          PetscErrorCode ierr
          DM_HIDE m
        End Subroutine
      End Interface

      Interface
        Subroutine DMPlexRestoreFaceGeometry(m,s,e,f,c,g,v,ierr)
          USE_DM_HIDE
          PetscInt  s, e
          VEC_HIDE  f, c
          PetscScalar, pointer :: g(:)
          PetscScalar, pointer :: v(:)
          PetscErrorCode ierr
          DM_HIDE m
        End Subroutine
      End Interface