tpext_delb4pollcb — XATMI extension, before poll callback remove
#include <atmi.h>
int tpext_delb4pollcb(void);
Link with -latmisrv|-latmisrvnomain|-latmisrvinteg -latmi -lubf -lnstd -lpthread -lrt -lm
Function removes previously registered callback by tpext_addb4pollcb() function. It is not an error to call this function twice.
This function is available only for XATMI servers.