yzziizzy/sti: General extension library for C. No dependencies beyond common POSIX platform headers. \[st]andard library, [i]zzy\, in the same vein as stb.

izzy c921594825 fixed a unch of encoding and alignment bugs		3 lat temu
..
arithmetic.c	c921594825 fixed a unch of encoding and alignment bugs	3 lat temu
arithmetic.h	c921594825 fixed a unch of encoding and alignment bugs	3 lat temu
build.sh	c921594825 fixed a unch of encoding and alignment bugs	3 lat temu