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Asked: May 11, 20262026-05-11T17:29:05+00:00 2026-05-11T17:29:05+00:00

I want to truncate the file something like setsizeof() with FILE * I’m developing

I want to truncate the file something like setsizeof() with FILE *
I’m developing vs 2003 windows

#include <unistd.h> there's no such lib

how can I do it freopen() truncates all the data vut doesn’t write- getting EINVAL error
some help?????

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