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(libc.info)Argz and Envz Vectors

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Argz and Envz Vectors
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   "argz vectors" are vectors of strings in a contiguous block of
memory, each element separated from its neighbors by null-characters
(`'\0'').

   "Envz vectors" are an extension of argz vectors where each element
is a name-value pair, separated by a `'='' character (as in a Unix
environment).

Argz Functions

Operations on argz vectors.

Envz Functions

Additional operations on environment vectors.