Provided by: libpam-doc_1.7.0-5ubuntu2_all 

NAME
pam_misc_drop_env - liberating a locally saved environment
SYNOPSIS
#include <security/pam_misc.h>
int pam_misc_drop_env(char **env);
DESCRIPTION
This function is defined to complement the pam_getenvlist(3) function. It liberates the memory associated
with env, overwriting with 0 all memory before free()ing it.
SEE ALSO
pam_getenvlist(3), pam(7)
STANDARDS
The pam_misc_drop_env function is part of the libpam_misc Library and not defined in any standard.
Linux-PAM 09/06/2025 PAM_MISC_DROP_ENV(3)