#ifndef lintstatic	char	*sccsid = "@(#)patoi.c	4.1	(ULTRIX)	7/17/90";#endif lint/*	Function to convert ascii string to integer.  Converts	positive numbers only.  Returns -1 if non-numeric	character encountered.*/patoi(s)register char *s;{	register int i;	i = 0;	while(*s >= '0' && *s <= '9') i = 10 * i + *s++ - '0';	if(*s) return(-1);	return(i);}