Returns the current calendar time encoded as atime_t object, and also stores it in thetime_t object pointed to byarg (unlessarg is a null pointer)

[edit]Parameters

[edit]Return value

Current calendar time encoded astime_t object on success,(time_t)(-1) on error. Ifarg is not a null pointer, the return value is also stored in the object pointed to byarg.

[edit]Notes

The encoding of calendar time intime_t is unspecified, but most systems conform toPOSIX specification and return a value of integral type holding the number of seconds sincethe Epoch. Implementations in whichtime_t is a 32-bit signed integer (many historical implementations) fail in the year2038.

[edit]Example

#include <stdint.h>#include <stdio.h>#include <time.h> int main(void){time_t result= time(NULL);if(result!=(time_t)(-1))printf("The current time is %s(%jd seconds since the Epoch)\n",asctime(gmtime(&result)),(intmax_t)result);}

The current time is Fri Apr 24 15:05:25 2015(1429887925 seconds since the Epoch)

[edit]References

[edit]See also

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