Function rb_default_external_encoding 

pub unsafe extern "C" fn rb_default_external_encoding() -> *mut OnigEncodingTypeST

Queries the “default external” encoding. This is used to interact with outer-process things such as File. Though not recommended, you can set this using rb_enc_set_default_external.

@return The “default external” encoding.

Generated by rb-sys for Ruby mri-x86_64-linux-gnu-3.2.3