#define MAXINTLENGTH 12char *icvt(value,ndigit,sign, base) long value; int *ndigit,*sign;register int base;{	static char buf[MAXINTLENGTH+1];	register int i;	if(value>0) *sign=0;	else if(value<0)	{	value = -value;		*sign= 1;	}	else	{	*sign=0;		*ndigit=1;		buf[MAXINTLENGTH]='0';		return(&buf[MAXINTLENGTH]);	}	for(i=MAXINTLENGTH-1;value>0;i--)	{	*(buf+i)=(int)(value%base)+'0';		value /= base;	}	*ndigit=MAXINTLENGTH-1-i;	return(&buf[i+1]);}