Get list of browsable volumes

volumes.cc

#include <sys/param.h>
#include <sys/mount.h>
#include <sys/ucred.h>
#include <string.h>
#include <vector>
#include <string>

std::vector<std::string> volumes ()
{
	std::vector<std::string> res;

	struct statfs* mnts;
	int mnt_count = getmntinfo(&mnts, MNT_WAIT); // getfsstat
	for(int i = 0; i < mnt_count; ++i)
	{
		if(mnts[i].f_flags & MNT_DONTBROWSE)
			continue;
		res.push_back(mnts[i].f_mntonname);
	}

	return res;
}

int main (int argc, char const* argv[])
{
	for(auto const& volume : volumes())
		fprintf(stderr, "%s\n", volume.c_str());
	return 0;
}