Method extract_cseq_method

src/call.cpp:4304–4325

void call::extract_cseq_method(char* method, const char* msg)
{
    const char* cseq;
    if ((cseq = strstr (msg, "CSeq"))) {
        const char* value;
        if ((value = strchr(cseq, ':'))) {
            value++;
            while (isspace(*value)) value++;  // ignore any white spaces after the :
            while (!isspace(*value)) value++;  // ignore the CSEQ number
            while (isspace(*value)) value++;  // ignore spaces after CSEQ number
            const char* end = value;
            int nbytes = 0;
            /* A '\r' terminates the line, so we want to catch that too. */
            while ((*end != '\r') && (*end != '\n')) {
                end++;
                nbytes++;
            }
            if (nbytes > 0) strncpy (method, value, nbytes);
            method[nbytes] = '\0';
        }
    }
}

void call::extract_transaction(char* txn, const char* msg)
{