Problem with pointers while using localtime() and time()

[cloose]

But I do not understand what struct tm *localtime means. Does it mean that localtime returns a pointer? And localtime(const time_t *tp) means that I have to give it a value or pointer (using &) as input? Please explain.

Yes, the localtime() function returns a pointer to tm struct.

So the following C code should work:

time_t now;
struct tm * local;
int year;
 
time( &now );
local = localtime( &now );
 
year = local->tm_year;

time_t now;
struct tm * local;
int year;

time( &now );
local = localtime( &now );

year = local->tm_year;

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BTW here is a good reference for the standard C time functions: http://www.cplusplus.com/ref/ctime/