src/unistd/ftruncate.c


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#include <unistd.h>
#include "__nonstd.h"

int ftruncate(int fildes, off_t length)
{
	__POSIX_MIN(199309L);
	__POSIX_OPTION_OR(_MAPPED_FILES, _SHARED_MEMORY);
	__XOPEN_MIN(450);
	__SC(int, fildes, length);
}

/*
XOPEN(400)
POSIX(199309)
*/