Add PROTO_NORMAL() declarations for the remaining syscalls, to avoid
future, inadvertant PLT entries. Move the __getcwd and __realpath
declarations to hidden/{stdlib,unistd}.h to consolidate and rem

Add PROTO_NORMAL() declarations for the remaining syscalls, to avoid
future, inadvertant PLT entries. Move the __getcwd and __realpath
declarations to hidden/{stdlib,unistd}.h to consolidate and remove
duplication.

ok tb@ otto@ deraadt@

show more ...

Make isfdtype() and getmntinfo() weak symbols

Add PROTO_WRAP() for (almost) all the syscalls that libpthread doesn't
override so that internal calls go direct

ok deraadt@