pam_info 3 Linux-PAM Manual pam_info pam_vinfo display messages to the user #include <security/pam_ext.h> int pam_info pam_handle_t *pamh const char *fmt ... int pam_vinfo pam_handle_t *pamh const char *fmt va_list args The pam_info function prints messages through the conversation function to the user. The pam_vinfo function performs the same task as pam_info() with the difference that it takes a set of arguments which have been obtained using the stdarg3 variable argument list macros. PAM_BUF_ERR Memory buffer error. PAM_CONV_ERR Conversation failure. PAM_SUCCESS Transaction was successful created. PAM_SYSTEM_ERR System error. pam8 The pam_info and pam_vinfo functions are Linux-PAM extensions.