(TC2.0 is widely used in education, as well as in practice, TurboC2.0. It is the most common C language compiler.
SYS\STAT.H
SYS\TIMEB.H
SYS\TYPES.H
ALLOC.H
ASSERT.H
BGI.ARC
BIOS.H
C0C.OBJ
C0H.OBJ
C0L.OBJ
C0M.OBJ
C0S.OBJ
C0T.OBJ
CC.LIB
CH.LIB
CINSTXFR.EXE
CL.LIB
CM.LIB
CONIO.H
CPP.EXE
CS.LIB
CTYPE.H
DIR.H
DOS.H
EMU.LIB
ERRNO.H
EXAMPLES.ARC
FCNTL.H
FLOAT.H
FP87.LIB
.....)