$ find -name "stdio.h"
./ndk/sources/cxx-stl/stlport/stlport/stdio.h
./bionic/libc/include/stdio.h
./external/stlport/stlport/stdio.h
./kernel/arch/powerpc/boot/stdio.h
./development/ndk/platforms/android-3/include/stdio.h
./development/ndk/platforms/android-8/include/stdio.h
./prebuilt/ndk/android-ndk-r4/platforms/android-3/arch-arm/usr/include/stdio.h
./prebuilt/ndk/android-ndk-r4/platforms/android-8/arch-arm/usr/include/stdio.h
./prebuilt/ndk/android-ndk-r4/platforms/android-8/arch-x86/usr/include/stdio.h
./prebuilt/ndk/android-ndk-r4/platforms/android-4/arch-arm/usr/include/stdio.h
./prebuilt/ndk/android-ndk-r4/platforms/android-5/arch-arm/usr/include/stdio.h
./prebuilt/ndk/android-ndk-r4/platforms/android-5/arch-x86/usr/include/stdio.h
./prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/sysroot/usr/include/stdio.h
./prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/sysroot/usr/include/bits/stdio.h
./prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/i686-linux/include/c++/4.4.3/tr1/stdio.h
./prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/lib/gcc/i686-linux/4.4.3/include/ssp/stdio.h