C PROGRAM TO PRINT TIME || C PROGRAM TO PRINT DATE || DATE AMD TIME -116

In this lecture we will see how to print date and time in c
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[TechnicalDreams]

I have two easy method to print time in c

[oliviaxavier]

what is time_t

i got an error :
iledemo4.c: In function ‘main’:
filedemo4.c:41:5: warning: format not a string literal and no format arguments[-Wformat-security]
printf(ctime(&currentTime));

filedemo4.c:105:5: warning: implicit declaration of function ‘get_time’; did you mean ‘gmtime’?
get_time(time_t);

gmtime
filedemo4.c:105:14: error: expected expression before ‘time_t’
get_time(time_t);

[vinayakdhinde]

Why you use ctime in printf statement? why not time ?