Implement gettimeofday per .../onlinepubs/9699919799/functions/gettimeofday.html. This call clock_gettime to implement gettimeofday function. Tested: Limited unit test: This makes a call and checks that no error was returned. Used nanosleep for 100 microseconds and verfified it returns a value that elapses more than 100 microseconds and less than 300 microseconds. Co-authored-by: Jeff Bailey <jeffbailey@google.com> Differential Revision: https://reviews.llvm.org/D137881
libc Documentation ================== The libc documentation is written using the Sphinx documentation generator. It is currently tested with Sphinx 1.1.3. To build the documents into html configure libc with the following cmake options: * -DLLVM_ENABLE_SPHINX=ON * -DLIBC_INCLUDE_DOCS=ON After configuring libc with these options the make rule `docs-libc-html` should be available.