/* make temporary file with given prefix. */
char *
mktemp(as)
char *as;
{
register char *s;
register unsigned pid;
pid = getpid();
s = as;
while (*s++)
;
s--;
while (*--s == 'X') {
*s = (pid%10) + '0';
pid /= 10;
}
s++;
*s = 'a';
return(as);
}