How Can I Replicate strptime() Functionality on Windows?

Alternative to strptime() for Windows: Combining sscanf, mktime, and tm

For Windows systems, which lack the POSIX function strptime(), you can achieve a similar functionality by employing a technique that combines sscanf, mktime, and the tm struct.

strptime() converts a textual date representation into a tm struct, effectively performing the reverse operation of strftime(). In the absence of strptime() on Windows, you can follow these steps:

1. Parse the date string using sscanf() to extract individual date components.
2. Transfer these parsed integers into a tm struct, adjusting for month (0-11) and year (1900 start).
3. Use mktime() to convert the tm struct into a UTC epoch integer.

Remember to set the isdst member of the tm struct to -1 to avoid daylight savings complications. By combining these operations, you can effectively mimic the functionality of strptime() for Windows systems.

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