time_t

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< c‎ | chrono
Defined in header <time.h>
typedef /* unspecified */ time_t;

Arithmetic (until C11) Real (since C11) type capable of representing times.

Although not defined by the C standard, this is almost always an integral value holding the number of seconds (not counting leap seconds) since 00:00, Jan 1 1970 UTC, corresponding to POSIX time.

Notes

The standard uses the term calendar time when referring to a value of type time_t.