#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
void sperror(int line, char *file, const char *fmt, ...)
{
static char outbuf[256];
 va_list arg_ptr;

 va_start(arg_ptr,fmt);
 vsprintf(outbuf,fmt,arg_ptr);
 va_end(arg_ptr);
 fprintf(stderr, "%s, line %d: %s\n", file, line, outbuf);
}

void sexit(int n)
{
 exit(n);
}