TKT_ROOT
snprintf (tf, sizeof(tf), "%s_XXXXXX", TKT_ROOT);
#ifndef TKT_ROOT
#ifndef TKT_ROOT
#ifndef TKT_ROOT
char scratch[sizeof(TKT_ROOT) + 7]; /* Room for XXXXXX and terminator */
(void)snprintf(scratch, sizeof(scratch), "%sXXXXXX", TKT_ROOT);