abort  \*-  generate an IOT fault
abs, fabs \*- absolute value
alloc, free \*- core allocator
atan, atan2 \*- arc tangent function
atof \*- convert ASCII to floating
atoi \*- convert ASCII to integer
crypt \*- password encoding
ctime, ijtime  \*-  convert date and time to ASCII
ecvt, fcvt \*- output conversion
end, etext, edata \*- last locations in program
envsave, envrest \*- execute non-local goto
exp \*- exponential function
floor, ceil \*- floor and ceiling functions
fmod \*- floating modulo function
fptrap \*- floating point interpreter
gamma \*- log gamma function
getarg, iargc \*- get command arguments from Fortran
getc, getw, fopen  \*-  buffered input
getchar \*- read character
getpw \*- get name from UID
hmul \*- high-order product
ierror \*- catch Fortran errors
ldiv, lrem \*- long division
locv \*- long output conversion
log \*- natural logarithm
mktemp \- create temporary file name
monitor \*- prepare execution profile
nargs \*- argument count
nlist \*- get entries from name list
perror, sys\*_errlist, sys\*_nerr, errno \*- system error messages
pow \*- floating exponentiation
printf \*- formatted print
prints \*- print string
putc, putw, fcreat, fflush  \*-  buffered output
putchar, flush \*- write character
qsort \*- quicker sort
rand, srand \*- random number generator
reset, setexit \*- execute non-local goto
setfil \*- specify Fortran file name
sin, cos \*- trigonometric functions
skill \*- send a signal to a set of processes
sqrt \*- square root function
ttyn \*- return name of current typewriter
