* Q4 profit T$99.98 bln vs T$98.94 bln analyst view
* Q4 revenue up 2 percent from a year ago
* Headwinds for TSMC in 2019 due to smartphone slowdown-analyst
TAIPEI, Jan 17 (Reuters) – Taiwan Semiconductor Manufacturing Co Ltd (TSMC) posted on Thursday a quarterly net profit that met market expectations, amid fears that sluggish demand for smartphones could hurt the world’s largest contract chipmaker’s bottom line.
The results of TSMC, whose clients include