int line_num; /* line number for error messages */
int nerrors; /* number of nonfatal errors */
cons_t consiz; /* size of U,I or F value */
+cons_t procbytes; /* size of process table */
cons_t textbytes; /* size of code file */
cons_t databytes; /* highwater mark in data */
FOFFSET dataoff; /* size of data file */