Final answer:
A mosque complex with social service functions in Ottoman Turkey is known as a kulliye, exemplified by the complex at the Mosque of Sultan Suleyman.
Step-by-step explanation:
The Ottoman Turks called a mosque complex with subsidiary social service functions a kulliye. A kulliye typically includes a mosque and various social and educational services such as a soup kitchen, hospital, schools, public baths, and sometimes a caravanserai. The complex of the Mosque of Sultan Suleyman in Istanbul is a renowned example, embodying the extensive nature of these structures and illustrating their importance beyond just religious functions.