Function ruby_setup 

pub unsafe extern "C" fn ruby_setup() -> c_int

Initializes the VM and builtin libraries.

@retval 0 Initialization succeeded. @retval otherwise An error occurred.

@internal

Though not a part of our public API, the return value is in fact an enum ruby_tag_type. You can see the potential “otherwise” values by looking at vm_core.h.

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