}
/* Use CONVERT to convert T to a struct tm value in *TM. T must be in
- range for time_t. Return TM if successfull, NULL if T is out of
+ range for time_t. Return TM if successful, NULL if T is out of
range for CONVERT. */
static struct tm *
convert_time (struct tm *(*convert) (const time_t *, struct tm *),