A tiny ( < 200 LOC ) QR code generator

make qr

./qr yne.fr/qr

• BYTE:4 encoding only (no NUM:1, ALNUM:2, KANJI:8)
• Data padding is made of 0 but shall use 236 and 17
• QR v2+ won't work yet (due to ECC ?)

• libqrencode compile with gcc -DMAJOR_VERSION=1 -DMINOR_VERSION=1 -DMICRO_VERSION=1 -DVERSION=\"\" -DSTATIC_IN_RELEASE= -w *.c
• bjguillot/qr unused, but similar.
• thonky.com unused