PROT_READ          10 native_client_sdk/src/libraries/nacl_io/osmman.h #define PROT_READ  0x1
PROT_READ         265 third_party/tcmalloc/chromium/src/windows/port.h #define PROT_READ      PAGE_READWRITE
PROT_READ         262 third_party/tcmalloc/vendor/src/windows/port.h #define PROT_READ      PAGE_READWRITE