[#3844 + #3767] update std.c and std.os.linux to use null-terminated pointer types (#3900)

* #3844 update std.c functions to use null-terminated pointer types

* check linux functions

* fix callsites

* fix io test

* Add allocPrintCstr function to remove other cast
62c817420dRaul Leal committed on 12/17/2019, 8:43:49 PM· committed by Andrew Kelleyparentb242c2a
4 files changedLine totals unavailable