options.c: In function ‘banners_option’:
options.c:232:6: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result]
  232 |      write(request->fd, "", 1);
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~
options.c:238:6: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result]
  238 |      write(request->fd, obuf, strlen(obuf));
      |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
safe_finger.c: In function ‘main’:
safe_finger.c:72:6: warning: ignoring return value of ‘setgid’, declared with attribute warn_unused_result [-Wunused-result]
   72 |      setgid(pwd->pw_gid);
      |      ^~~~~~~~~~~~~~~~~~~
safe_finger.c:73:6: warning: ignoring return value of ‘setuid’, declared with attribute warn_unused_result [-Wunused-result]
   73 |      setuid(pwd->pw_uid);
      |      ^~~~~~~~~~~~~~~~~~~
safe_finger.c:75:6: warning: ignoring return value of ‘setgid’, declared with attribute warn_unused_result [-Wunused-result]
   75 |      setgid(UNPRIV_UGID);
      |      ^~~~~~~~~~~~~~~~~~~
safe_finger.c:76:6: warning: ignoring return value of ‘setuid’, declared with attribute warn_unused_result [-Wunused-result]
   76 |      setuid(UNPRIV_UGID);
      |      ^~~~~~~~~~~~~~~~~~~
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY