Looking for logging into the C User site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the C User site. After that you can login as usual with your login credentials.
https://indianfrro.gov.in/frro/FormC
https://indianfrro.gov.in/frro/FormcUsrAppr/
https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.bpxbd00/rtgtlg.htm
https://dev.1c-bitrix.ru/api_help/main/reference/cuser/login.php
http://bxapi.ru/src/?module_id=main&name=CUser%3A%3ALogin
https://drushcommands.com/drush-9x/user/user:login/
https://hajsoftutorial.com/c-programing-tutorial/nested-if-statementuser-login-example/
https://www.ghacks.net/2011/03/28/how-to-change-a-windows-account-name-and-user-profile-folder-name/
https://books.google.fr/books?id=GRCZaFSpLVUC&pg=PA117&lpg=PA117&dq=c+user+login
https://stackoverflow.com/questions/33968723/how-to-get-windows-user-login-status-using-c
https://www.pwc.com/content/pwc/userReg/login.html
https://books.google.fr/books?id=KRDNBQAAQBAJ&pg=PA175&lpg=PA175&dq=c+user+login
https://www.howtogeek.com/howto/6619/beginner-geek-delete-user-accounts-in-windows-7/