char *p = &persona->pna_desc[0];
char *end = p + sizeof(persona->pna_desc) - 1;
*end = 0;
p += snprintf(p, end - p, "%s/%d:%d",
char *p = &persona->pna_desc[0];
char *end = p + sizeof(persona->pna_desc) - 1;
*end = 0;
p += snprintf(p, end - p, "%s/%d:%d",