I know that the library function localtime will convert ...
I know that the library function localtime will convert a time_t into a broken-down struct tm, and that ctime will convert a time_t to a printable string. How can I perform the inverse operations of converting a struct tm or a string into a time_t?
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ANSI C specifies a library function, mktime, which converts a struct tm to a time_t.
Converting a string to a time_t is harder, because of the wide variety of date and time formats which might be encountered. Some systems provide a strptime function, which is basically the inverse of strftime. Other popular functions are partime (widely distributed with the RCS package) and getdate (and a few others, from the C news distribution).
2015-08-05, 1076👍, 0💬
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