REQ_STRING_SZ
char outfilename[REQ_STRING_SZ];
char req_string[REQ_STRING_SZ];
BIO_snprintf(req_string, REQ_STRING_SZ, "GET /%s\r\n", req);
memset(outfilename, 0, REQ_STRING_SZ);
BIO_snprintf(outfilename, REQ_STRING_SZ, "/downloads/%s", req);
if (!BIO_read_ex(req_bio, &reqnames[read_offset], REQ_STRING_SZ, &bytes_read)) {
reqnames = OPENSSL_realloc(reqnames, read_offset + REQ_STRING_SZ);