2 * Copyright (c) 1987 Regents of the University of California.
5 * Redistribution and use in source and binary forms are permitted
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * advertising materials, and other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley. The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 #include <afsconfig.h>
19 #include <afs/param.h>
28 * Returns ptr to value associated with name, if any, else NULL.
37 return (_findenv(name, &offset));
42 * Returns pointer to value associated with name, if any, else NULL.
43 * Sets offset to be the offset of the name/value combination in the
44 * environmental array, for use by setenv(3) and unsetenv(3).
45 * Explicitly removes '=' in argument name.
47 * This routine *should* be a static; don't use it.
50 _findenv(name, offset)
54 extern char **environ;
56 register char **P, *C;
58 for (C = name, len = 0; *C && *C != '='; ++C, ++len);
59 for (P = environ; *P; ++P)
60 if (!strncmp(*P, name, len))
61 if (*(C = *P + len) == '=') {
62 *offset = P - environ;