If a function is written in the following format then tagging is unable to find x_getHeaderCount() function
xBool x_getHeaderCount
#ifdef ANSI_PROTO
(xMessage *msg, en_HeaderType dType, X_U32bit *count, xError *err)
#else
(msg, dType, count, err)
xMessage *msg;
en_HeaderType dType;
X_U32bit *count;
xError *err;
#endif
{
}