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root/Development/ray/src/common/fgetword.c

Comparing ray/src/common/fgetword.c (file contents):
Revision 1.1 by greg, Mon Jul 22 13:55:12 1991 UTC vs.
Revision 1.2 by greg, Mon Jul 22 14:33:06 1991 UTC

#	Line 41 | Line 41 | register FILE  *fp;
41		ungetc(c, fp);
42		return(s);
43		}
44	–
45	–
46	–	isint(s)                        /* check integer format */
47	–	char  *s;
48	–	{
49	–	register char  *cp = s;
50	–
51	–	while (isspace(*cp))
52	–	cp++;
53	–	if (*cp == '-' || *cp == '+')
54	–	cp++;
55	–	do
56	–	if (!isdigit(*cp))
57	–	return(0);
58	–	while (*++cp);
59	–	return(1);
60	–	}
61	–
62	–
63	–	isflt(s)                        /* check float format */
64	–	char  *s;
65	–	{
66	–	register char  *cp = s;
67	–
68	–	while (isspace(*cp))
69	–	cp++;
70	–	if (*cp == '-' || *cp == '+')
71	–	cp++;
72	–	s = cp;
73	–	while (isdigit(*cp))
74	–	cp++;
75	–	if (*cp == '.') {
76	–	cp++; s++;
77	–	while (isdigit(*cp))
78	–	cp++;
79	–	}
80	–	if (cp == s)
81	–	return(0);
82	–	if (*cp == 'e' || *cp == 'E')
83	–	return(isint(cp+1));
84	–	return(1);
85	–	}

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