char ** fetch_pam_environment(void);
char ** fetch_pam_child_environment(void);
void free_pam_environment(char **);
void sshpam_thread_cleanup(void);
void sshpam_cleanup(void);
char ** fetch_pam_environment(void);
char ** fetch_pam_child_environment(void);
void free_pam_environment(char **);
void sshpam_thread_cleanup(void);
void sshpam_cleanup(void);