/usr/share/man/man3/MPI_Info_f2c.3.gz is in openmpi-doc 1.4.5-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/MPI_Comm_f2c.3.gz
/usr/share/man/man3/MPI_Comm_f2c.3.gz