Compiling...
qrenc.c
e:\条形码\qrencode-1.0.2\qrenc.c(24) : fatal error C1083: Cannot open include file: 'png.h': No such file or directory
Error executing cl.exe.
e:\条形码\qrencode-1.0.2\qrenc.c(25) : fatal error C1083: Cannot open include file: 'getopt.h': No such file or directory