pam_getenvlist man page on FreeBSD

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PAM_GETENVLIST(3)	 BSD Library Functions Manual	     PAM_GETENVLIST(3)

NAME
     pam_getenvlist — returns a list of all the PAM environment variables

LIBRARY
     Pluggable Authentication Module Library (libpam, -lpam)

SYNOPSIS
     #include <sys/types.h>
     #include <security/pam_appl.h>

     char **
     pam_getenvlist(pam_handle_t *pamh);

DESCRIPTION
     The pam_getenvlist function returns a copy of the given PAM context's
     environment list as a pointer to an array of strings.  The last element
     in the array is NULL.  The pointer is suitable for assignment to environ.

     The array and the strings it lists are allocated using malloc(3), and
     should be released using free(3) after use:

	 char **envlist, **env;

	 envlist = environ;
	 environ = pam_getenvlist(pamh);
	 /* do something nifty */
	 for (env = environ; *env != NULL; env++)
	     free(*env);
	 free(environ);
	 environ = envlist;

RETURN VALUES
     The pam_getenvlist function returns NULL on failure.

SEE ALSO
     free(3), malloc(3), pam(3), pam_getenv(3), pam_putenv(3), pam_setenv(3),
     environ(7)

STANDARDS
     X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules,
     June 1997.

AUTHORS
     The pam_getenvlist function and this manual page were developed for the
     FreeBSD Project by ThinkSec AS and Network Associates Laboratories, the
     Security Research Division of Network Associates, Inc. under DARPA/SPAWAR
     contract N66001-01-C-8035 (“CBOSS”), as part of the DARPA CHATS research
     program.

BSD			       December 21, 2007			   BSD
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