GET_ENVIRONMENT(4)

πŸ“¦
version 2.5.3 Β· 2 versions
, in nixos 26.05

πŸ¦‹ Get_Environment β€” from the special file manual πŸ¦‹

okay so bestie, this is the Get_Environment page from the special file manual β€” it’s giving β€œask a tool what its environment variables are up to,” and honestly? iconic. πŸ’…

🌸 NAME 🌸

Get_Environment β€” get a tool's environment πŸ’–

✨ SYNOPSIS ✨

       Get_Environment(in string variable,
               out string value
               [...]);

πŸ’– DESCRIPTION πŸ’–

The Get_Environment request reports the value of the indicated environment variable(s). periodt. ✨

The variable argument is the name of the environment variable to get. That’s the one you’re asking about, bestie.

The value argument is the value of the environment variable. Here’s the important part:

  • If no value β€” in other words, (char *)0 β€” is returned for this argument, then the variable was not present in the handler's environment. This condition is not an error. πŸ™ˆ
  • If an empty string β€” in other words, "" β€” is returned for this argument, then the variable was present in the handler's environment, but had a null value. πŸ’€

πŸŽ€ APPLICATION USAGE πŸŽ€

The ttdt_session_join(3) function can be used to register for, and transparently process, the Get_Environment request. slay. 🫢

πŸ”₯ SEE ALSO πŸ”₯


okay that’s the whole Get_Environment moment, bestie 🫢 the footer is literally just the page header again, with no source/version/date line to share β€” so consider this your cute sign-off πŸ’–

πŸ“¦ where this page comes from