ref: ce5a3ad08abca12b1ed25a4e94f3274833a27fa5
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)