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time_t mktime( struct tm *tp )
struct tm *tp; /* address of time structure */
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Synopsis |
#include "time.h"
The mktime function constructs a value of type time_t from the time specified by the struct tm pointed to by tp . The components of tp must be valid. -1 is returned if tp cannot be converted.
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Parameters |
tp is the address of a time structure.
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Return Value |
mktime returns a time_t value corresponding to the time represented by tp, if successful, and -1 (cast to time_t) if tp is not convertible.
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See Also |
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