ECHR = 1.
EDIVCHK = 2.
EFDIVCHK = 3.
EHALT = 4.
ENILPTR = 5.
EPASTEOF = 6.
ESQRT = 7.
ESTKNEMP = 8.
ESUBSCR = 9.
EREFINAF = 10.
EWRITE = 11.
ECREATE = 12.
ELN = 13.
EBADOP = 14.
EBADINUM = 15.
EGOTO = 16.
ECASE = 17.
ESEEK = 18.
EALLOC = 19.
EOUTOFMEM = 20.
ECTTOT = 21.
ETOODIGITS = 22.
EMODCHK = 23.
EBADFNUM = 24.
EREMOVE = 25.
ECLOSE = 26.
EOPEN = 27.
EARGV = 28.
EPACK = 29.
EUNPACK = 30.
ERANGE = 31.
EASRT = 32.
EREADIT = 33.
EWRITEIT = 34.
EBIGGIE = 35.
ESTLIM = 36.
ESTKOVFLO = 37.
EINTR = 38.
EFPOVFLO = 39.