centos man page for pam_getenv

PAM_GETENV(3)							 Linux-PAM Manual						     PAM_GETENV(3)

NAME
       pam_getenv - get a PAM environment variable

SYNOPSIS
       #include <security/pam_appl.h>

       const char *pam_getenv(pam_handle_t *pamh, const char *name);

DESCRIPTION
       The pam_getenv function searches the PAM environment list as associated with the handle pamh for an item that matches the string pointed to
       by name and returns a pointer to the value of the environment variable. The application is not allowed to free the data.

RETURN VALUES
       The pam_getenv function returns NULL on failure.

SEE ALSO
       pam_start(3), pam_getenvlist(3), pam_putenv(3), pam(8)

Linux-PAM Manual						    09/19/2013							     PAM_GETENV(3)