[][src]Function sgx_tstd::env::var_os

pub fn var_os<K: AsRef<OsStr>>(key: K) -> Option<OsString>

Fetches the environment variable key from the current process, returning None if the variable isn't set.

Panics

This function may panic if key is empty, contains an ASCII equals sign '=' or the NUL character '\0', or when the value contains the NUL character.