массив символьных указателей на строки окружения (array of character pointers to the environment strings)
Пролог (Prolog)
This manual page is part of the POSIX Programmer's Manual. The
Linux implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
Имя (Name)
environ — array of character pointers to the environment strings
Синопсис (Synopsis)
extern char **environ;
Описание (Description)
Refer to exec(1p) and the Base Definitions volume of
POSIX.1‐2017, Chapter 8, Environment Variables.