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- /* Copyright (C) 1998 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- distributor accepts any responsibility for the consequences of using it, or
- for whether it serves any particular purpose or works at all, unless he or
- she says so in writing. Refer to the Aladdin Free Public License (the
- "License") for full details.
-
- Every copy of AFPL Ghostscript must include a copy of the License, normally
- in a plain ASCII text file named PUBLIC. The License grants you the right
- to copy, modify and redistribute AFPL Ghostscript, but only under certain
- conditions described in the License. Among other things, the License
- requires that the copyright notice and this notice be preserved on all
- copies.
- */
-
- /*$Id: gpgetenv.h,v 1.2 2000/09/19 19:00:25 lpd Exp $ */
- /* Interface to platform-specific getenv routine */
-
- #ifndef gpgetenv_INCLUDED
- # define gpgetenv_INCLUDED
-
- /*
- * Get a value from the environment (getenv).
- *
- * If the key is missing, set *ptr = 0 (if *plen > 0), set *plen = 1,
- * and return 1.
- *
- * If the key is present and the length len of the value (not counting
- * the terminating \0) is less than *plen, copy the value to ptr, set
- * *plen = len + 1, and return 0.
- *
- * If the key is present and len >= *plen, set *plen = len + 1,
- * don't store anything at ptr, and return -1.
- *
- * Note that *plen is the size of the buffer, not the length of the string:
- * because of the terminating \0, the maximum string length is 1 less than
- * the size of the buffer.
- */
- int gp_getenv(P3(const char *key, char *ptr, int *plen));
-
- #endif /* gpgetenv_INCLUDED */
-