#include "defs.h"


/*
 * convert ascii to integer with checking
 */
geti(s) REG STRING s;
{
	REG INT n = 0;
	INT	minus=0;
	REG INT radix=10;

	if(s==0)
		bad("number missing\n");
	if(*s=='-') {
		minus++;
		s++;
	}
	if(number(s)==0)
		bad("bad numeric\n");
	if(*s=='0')
		radix=8;
	while(*s) {
		n *= radix; n += *s++ - 48;
	}
	if(minus)
		n = -n;
	return(n);
}