#include <stdio.h>#include <sybfront.h>#include <sybdb.h>#include "./sybfunc.h"extern char errtxt[1024];int dberrflag;int CS_PUBLIC err_handler(DBPROCESS * dbproc, int severity, int dberr, int oserr, char *dberrstr, char *oserrstr){	printf("\nerror :%s|\n", errtxt);	sleep(1);	dbclose(dbproc);	dberrflag = 1;	if ((dbproc == NULL) || (DBDEAD(dbproc))) return(INT_EXIT);	else return(INT_CANCEL);}int CS_PUBLIC msg_handler(DBPROCESS * dbproc, DBINT msgno, int msgstate, int severity, char *msgtext, char *srvname, char*procname, int line){	printf("msg=%s", msgtext);	return(0);}void db_init(void){	/* Initialize DB-Library. */	if (dbinit() == FAIL) return;	dberrhandle((EHANDLEFUNC)err_handler);	dbmsghandle((MHANDLEFUNC)msg_handler);	dbsetversion(DBVERSION_100);	return;}int  db_operation(DBPROCESS *dbproc, char *sqlstr){     int retval;     dbcmd(dbproc, sqlstr);     retval = (int)dbsqlexec(dbproc);     return(retval);} DBPROCESS* db_connect(char *dbname,char *usrname,char *usrpwd){     DBPROCESS     *dbproc;     LOGINREC      *login;     login = dblogin();     DBSETLUSER(login, usrname);     DBSETLPWD(login, usrpwd);     dbproc = dbopen(login, NULL);     dbloginfree(login);          if(dbproc!=NULL) dbuse(dbproc, dbname);     else return(NULL);     dberrflag = 0;     db_operation(dbproc,"begin tran");     return(dbproc);}void  db_disconnect(DBPROCESS* dbproc){		 db_operation(dbproc,"commit");		 dbclose(dbproc);		 dbexit();}/*int  db_operation(DBPROCESS *dbproc, char *sqlstr){     int request=0;     if(dberrflag == 1) return(1);     dbcmd(dbproc, sqlstr);     dbsqlsend(dbproc);     while(dbsqlok(dbproc) == FAIL){		sleep(1);				return(1);		request++;	   		   	if (request = 3) return(1); //db fault    	 }     return(0);}*/