NAME

       pam_error, pam_verror - display error messages to the user

SYNOPSIS

       #include <security/pam_ext.h>

       int pam_error(pam_handle_t *pamh, const char *fmt, ...);

       int pam_verror(pam_handle_t *pamh, const char *fmt, va_list args);

DESCRIPTION

       The pam_error function prints error messages through the conversation function to the
       user.

       The pam_verror function performs the same task as pam_error() with the difference that it
       takes a set of arguments which have been obtained using the stdarg(3) variable argument
       list macros.

RETURN VALUES

       PAM_BUF_ERR
           Memory buffer error.

       PAM_CONV_ERR
           Conversation failure.

       PAM_SUCCESS
           Error message was displayed.

       PAM_SYSTEM_ERR
           System error.

SEE ALSO

       pam_info(3), pam_vinfo(3), pam_prompt(3), pam_vprompt(3), pam(7)

STANDARDS

       The pam_error and pam_verror functions are Linux-PAM extensions.