signal add few missing implementations

See merge request !376

sync implementation

See merge request !375

unistd: fdatasync implementation.

See merge request !373

stdlib: unlockpt implementation proposal

See merge request !372

sys_resource: get/setpriority implementations.

See merge request !369

stdlib: getsubopt implementation proposal.

See merge request !371

sys_mman: adding madvise.

See merge request !370

Fix typos in setrlimit

See merge request !368

sys_resource: setrlimit implementation proposal.

See merge request !366

unistd: getdtablesize implementation proposal

See merge request !365

stdio: implements legacy cuserid proposal.

See merge request !362

sys_mman add further mmap/madvise flags.

See merge request !361

Fix symlinking on MacOS that doesn't have the -r option

See merge request !360

pte: pte_osThreadWaitForEnd checking return of Sys::waitpid

Closes #165

See merge request !359

close #165

sys/mman.h update addinng mlockall and posix_madvise flags

See merge request !357

wctrans/towctrans implementation proposal.

Closes #32

See merge request redox-os/relibc!356

close #32

reallocarray introduction available on glibc 2.26. allocates an array of m*n...

See merge request !355

adding SOCK_RDM and a couple of POLL* constants.

Closes #164

See merge request !354

reallocarray introduction available on glibc 2.26. allocates an array of m*n elements but checking for overflow.

close #164

strlcpy/strlcat api for portability's sake.

See merge request !353

those functions differently than the strn* ones as
they do not pad with zero to remaining bytes but guarantees
a null terminator.

explicit_bzero implementation proposal

See merge request !337