Function usage

lib_acl/samples/vstream_popen/main.cpp:152–160

}

static void usage(const char *procname)
{
	printf("(%d) usage: %s -h [help] -c [run as child] -p [run as parent]\r\n",
		getpid(), procname);
#ifdef ACL_MS_WINDOWS
	printf("enter any key to exit...\r\n");
	getchar();
#endif
}


int main(int argc, char *argv[])