shadow/lib/pam_defs.h

#include <security/pam_appl.h>
#include <security/pam_misc.h>

static struct pam_conv conv = {
	misc_conv,
	NULL
};

/* compatibility with different versions of Linux-PAM */
#ifndef PAM_ESTABLISH_CRED
#define PAM_ESTABLISH_CRED PAM_CRED_ESTABLISH
#endif
#ifndef PAM_DELETE_CRED
#define PAM_DELETE_CRED PAM_CRED_DELETE
#endif
#ifndef PAM_NEW_AUTHTOK_REQD
#define PAM_NEW_AUTHTOK_REQD PAM_AUTHTOKEN_REQD
#endif
#ifndef PAM_DATA_SILENT
#define PAM_DATA_SILENT 0
#endif