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/* This file is part of the SvarCOM project and is published under the terms
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/* This file is part of the SvarCOM project and is published under the terms
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* of the MIT license.
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* of the MIT license.
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*
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*
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* Copyright (C) 2021-2022 Mateusz Viste
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* Copyright (C) 2021-2024 Mateusz Viste
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*
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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unsigned short env_lookup_valcopy(char *res, unsigned short ressz, unsigned short env_seg, const char *varname);
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unsigned short env_lookup_valcopy(char *res, unsigned short ressz, unsigned short env_seg, const char *varname);
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/* returns the size, in bytes, of the allocated environment block */
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/* returns the size, in bytes, of the allocated environment block */
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unsigned short env_allocsz(unsigned short env_seg);
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unsigned short env_allocsz(unsigned short env_seg);
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/* return currently used space (length, in bytes) of the environment */
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unsigned short env_getcurlen(unsigned short env_seg);
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/* remove a variable from environment, if present. returns 0 on success, non-zero if variable not found */
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/* remove a variable from environment, if present. returns 0 on success, non-zero if variable not found */
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int env_dropvar(unsigned short env_seg, const char *varname);
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int env_dropvar(unsigned short env_seg, const char *varname);
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#define ENV_SUCCESS 0
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#define ENV_SUCCESS 0
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#define ENV_NOTENOM -1
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#define ENV_NOTENOM -1
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