What is the difference between ctime and time header files?

Question

When I tried to include the file ctime then an error is came, unable to open include file 'ctime.h' , but I replaced it with time.h. then it has no error. both have some working.

Answer 1

ctime is cpp library, time.h is c library

Answer 2

the thing is theres no ctime.h lib. Theres only ctime or time.h

Answer 3

it is not a right reason , jakub, because turbo C++ IDE support both languages, c and c++, I had tried this.