Improve fesetround and fegetround functions


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6343 4407c894-4637-0410-b4f5-ada5f102cad1
Add stpcpy() implementation

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6344 4407c894-4637-0410-b4f5-ada5f102cad1
Add stpcpy() prototype

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6345 4407c894-4637-0410-b4f5-ada5f102cad1
Regenerate Makefile.in after stpcpy() addition

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6346 4407c894-4637-0410-b4f5-ada5f102cad1
Fix type about eConnTypeRJ11Modem as eConnTypeRj11Modem.  Solved it so that both variants are valid.


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6347 4407c894-4637-0410-b4f5-ada5f102cad1