__attribute__((pure)) objheader_t *transRead(unsigned int);
__attribute__((pure)) objheader_t *transRead2(unsigned int);
+//__attribute__((pure)) objheader_t *transRead2(unsigned int, char ptr[]);
objheader_t *transCreateObj(unsigned int); //returns oid header
int transCommit(); //return 0 if successful
void *transRequest(void *); //the C routine that the thread will execute when TRANS_REQUEST begins