DIL type conversion functions

char dbtype2char(DB_Type_t dbtype, char *data);
short dbtype2short(DB_Type_t dbtype, char *data);
long dbtype2long(DB_Type_t dbtype, char *data);
long long dbtype2longlong(DB_Type_t dbtype, char *data);
float dbtype2float(DB_Type_t dbtype, char *data);
double dbtype2double(DB_Type_t dbtype, char *data);
void dbtype2str(DB_Type_t dbtype, char *data, int len, char *str);