Function usage

lib_acl_cpp/samples/http_upload/main.cpp:88–93

//////////////////////////////////////////////////////////////////////////

static void usage(const char* procname) {
	printf("usage: %s -h[help]\r\n", procname);
	printf("options:\r\n");
	printf("\t-f upload_file\r\n");
	printf("\t-D [if in debug mode]\r\n");
}

int main(int argc, char* argv[]) {
	int   ch;