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#include <u.h>
#include <libc.h>


static void
_sysfatalimpl(char *fmt, va_list arg)
{
        char buf[1024];

        vseprint(buf, buf+sizeof(buf), fmt, arg);
        if(argv0)
                fprint(2, "%s: %s\n", argv0, buf);
        else
                fprint(2, "%s\n", buf);
        exits(buf);
}

void (*_sysfatal)(char *fmt, va_list arg) = _sysfatalimpl;

void
sysfatal(char *fmt, ...)
{
        va_list arg;

        va_start(arg, fmt);
        (*_sysfatal)(fmt, arg);
        va_end(arg);
}