-Wmissing-declarations -Wmissing-prototypes \
-Wnested-externs -Wpointer-arith \
-Wpointer-arith -Wsign-compare -Wchar-subscripts \
-Wmissing-declarations -Wmissing-prototypes \
-Wnested-externs -Wpointer-arith \
-Wpointer-arith -Wsign-compare -Wchar-subscripts \