Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/liboventi/scorefmt.c
#include <u.h> #include <libc.h> #include <oventi.h> int vtScoreFmt(Fmt *f) { uchar *v; int i; v = va_arg(f->args, uchar*); if(v == nil){ fmtprint(f, "*"); }else{ for(i = 0; i < VtScoreSize; i++) fmtprint(f, "%2.2ux", v[i]); } return 0; }