Gets a group database entry for a group ID.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <types.h>

      #include  <grp.h>

      int getgrgid_r  (gid_t gid, struct group *grp, char *buffer,
                      size_t bufsize, struct group **result);

  Additional Information (explode) :

• Arguments
• Description
• Return Values