implemented the lexer

config.mk

@@ -0,0 +1,27 @@
+# cc version
+VERSION = 0.1
+
+# Customize below to fit your system
+
+# paths
+PREFIX = /usr
+MANPREFIX = ${PREFIX}/share/man
+
+# OpenBSD (uncomment)
+#MANPREFIX = ${PREFIX}/man
+
+# includes and libs
+INCS = -I.
+LIBS =
+# flags
+CPPFLAGS = -DVERSION=\"${VERSION}\" 
+CFLAGS  := -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS} 
+CFLAGS  := ${CFLAGS} -g
+LDFLAGS  = ${LIBS}
+
+# Solaris
+#CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"
+#LDFLAGS = ${LIBS}
+
+# compiler and linker
+CC = cc