APE-based rewrite/fork, under Lucent Public License

--HG--
rename : stdlib.c => gostdc.c
rename : stdlib.go => gostdc.go
rename : c_test.go => gostdc_test.go
rename : ctest.c => gostdctest.c
rename : stdlib.go => gostdctest.go
rename : ldexp_ctest.c => ldexp_test.c
rename : ptrdiff_t_ctest.c => ptrdiff_t_test.c
rename : sprintf_ctest.c => sprintf_test.c
rename : strcmp_ctest.c => strcmp_test.c
rename : strlen_ctest.c => strlen_test.c
rename : strpbrk_ctest.c => strpbrk_test.c
rename : strtod_ctest.c => strtod_test.c