SDSI_DEV
if (!strncmp(SDSI_DEV, entry->d_name, strlen(SDSI_DEV))) {
#define SDSI_PATH (AUX_DEV_DIR SDSI_DEV)
int dev_name_len = sizeof(SDSI_DEV) + strlen(dev_no) + 1;
s->dev_name = (char *)malloc(sizeof(SDSI_DEV) + strlen(dev_no) + 1);
snprintf(s->dev_name, dev_name_len, "%s.%s", SDSI_DEV, dev_no);