all: may20_3.exe may20_3.c: may20_3.lex C:\BisonFlex\bin\flex -I -omay20_3.c may20_3.lex may20_3.obj: may20_3.c C:\borland\bcc55\bin\bcc32 -c may20_3.c may20_3.exe: may20_3.obj C:\borland\bcc55\bin\bcc32 -emay20_3.exe may20_3.obj clean: del /F *.obj del /F *.exe del /F may20_3.c del /F *.BAK