Function nstd_env_set_var 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn nstd_env_set_var(
    key: &NSTDStr,
    value: &NSTDStr,
)

Available on crate feature env only.

Sets an environment variable for the current process.

Parameters:

• const NSTDStr *key - The environment variable’s identification key.

• const NSTDStr *value - The environment variable’s value.

Panics

This operation will panic in the following situations:

• key is empty or contains either of the following ASCII characters: '=' or '\0'.

• value contains the ASCII null character '\0'.

Safety

The user of this function must ensure that both key and value are valid for reads.