Function nstd_sys::env::nstd_env_remove_var
source · #[no_mangle]
pub unsafe extern "C" fn nstd_env_remove_var(key: &NSTDStr)
Available on crate feature
env
only.Expand description
Removes an environment variable from the current process.
§Parameters:
const NSTDStr *key
- The environment variable’s identification key.
§Panics
This operation will panic in the following situations:
-
key
is empty or contains either of the following ASCII characters:'='
or'\0'
. -
The environment variable’s value contains the ASCII null character
'\0'
.
§Safety
The user of this function must ensure that key
is valid for reads.