isCobolErrorEx The isCobolErrorEx function is an extended version of the isCobolError function that allows to pass a further argument specifying the isCOBOL environment when a call is performed in a multi-threaded environments. int isCobolErrorEx (char *msg, int len, void *pice); Parameters msg Buffer to store the error message. len Length of the buffer. pice Pointer to an isCOBOL environment created by isCobolInitEx.