On the command line with classic C code, there are many cases

7ATEXIT.C
AAUX_ECHO.C
BEEPS.C
CHARCNT.C
CMD_CNT.C
ENV_PTR.C
ENVIRON.C
GET_PASS.C
GETPASS.C
IO_FIND.C
LINECNT.C
LOWER.C
MORE.C
MORE15.C
nARGV_PTR.C
NEW_TYPE.C
NO_REDIR.C
NUMBER.C
PRT_ECHO.C
PUTENV.C
RET_EXIT.C
SHOW_CMD.C
SHOW_ENV.C
SHOWFILE.C
SHOWPATH.C
TEE.C
UPPER.C

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