fchown            326 native_client_sdk/src/libraries/nacl_io/kernel_proxy.cc int KernelProxy::fchown(int fd, uid_t owner, gid_t group) {
fchown              8 native_client_sdk/src/libraries/nacl_io/syscalls/fchown.c int fchown(int fd, uid_t owner, gid_t group) {