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FreeBSD 11.0 - man page for removefromutmp (freebsd section 3)

UTEMPTER_ADD_RECORD(3)					   BSD Library Functions Manual 				    UTEMPTER_ADD_RECORD(3)

utempter_add_record, utempter_remove_added_record, utempter_remove_record, addToUtmp, removeFromUtmp, removeLineFromUtmp -- utempter compati- bility interface
User Login Record Library (libulog, -lulog)
#include <utempter.h> int utempter_add_record(int fd, const char *host); int utempter_remove_added_record(void); int utempter_remove_record(int fd); void addToUtmp(const char *pty, const char *host, int fd); void removeFromUtmp(void); void removeLineFromUtmp(const char *pty, int fd);
The utempter_add_record() and addToUtmp() functions add a login record to the database for the TTY belonging to the pseudo-terminal master file descriptor fd, using the username corresponding with the real user ID of the calling process and the optional hostname host. These functions are equivalent to ulog_login_pseudo(3). The utempter_remove_record() and removeLineFromUtmp() functions mark the login session as being closed for the TTY belonging to the pseudo- terminal master file descriptor fd. These functions are equivalent to ulog_logout_pseudo(3). The utempter_remove_added_record() and removeFromUtmp() functions have the same properties as the previously mentioned functions, except that they use an internally cached value of the file descriptor passed to the login functions. The pty arguments of addToUtmp() and removeLineFromUtmp() are unused.
In this implementation, the utempter_add_record(), utempter_remove_added_record() and utempter_remove_record() always return a value of 0.
pututxline(3), ulog_login_pseudo(3)
These functions appeared in FreeBSD 9.0.
December 6, 2009 BSD

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