CTL_STATUS_t ctl_ms_read_string(char *str, size_t n, CTL_STREAM_t file);
ctl_ms_read_string reads a string from the file file into the string pointed to by str. The buffer for the string str is n characters long. str is terminated with a null character.
ctl_ms_read_string returns a standard status code.
ctl_ms_read_string is thread-safe.