harvey/sys/src/ape/lib/fmt/werrstr.c

#include <stdarg.h>
#include <errno.h>
#include "fmt.h"

extern char _plan9err[128];

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

	va_start(arg, fmt);
	snprint(_plan9err, sizeof _plan9err, fmt, arg);
	va_end(arg);
	errno = EPLAN9;
}