-Wmissing-declarations -Wnested-externs -Wredundant-decls \
-Wpointer-arith -Wformat=2 -Winit-self \
-Wswitch-enum -Wunused-variable -Wunused-function -Wbad-function-cast \
-Wmissing-declarations -Wnested-externs -Wredundant-decls \
-Wpointer-arith -Wformat=2 -Winit-self \
-Wswitch-enum -Wunused-variable -Wunused-function -Wbad-function-cast \