ref: 2f9a05bc3b3e6e8af346547127988f589634c1a4
dir: /sys/src/cmd/unix/drawterm/libc/utfdef.h/
#define uchar _utfuchar #define ushort _utfushort #define uint _utfuint #define ulong _utfulong #define vlong _utfvlong #define uvlong _utfuvlong typedef unsigned char uchar; typedef unsigned short ushort; typedef unsigned int uint; typedef unsigned long ulong; #define nelem(x) (sizeof(x)/sizeof((x)[0])) #define nil ((void*)0)