Function LLVMRunFunctionAsMain 

#[unsafe(no_mangle)]
pub extern "C" fn LLVMRunFunctionAsMain(
    EE: LLVMExecutionEngineRef,
    F: LLVMValueRef,
    ArgC: c_uint,
    ArgV: *const *const c_char,
    EnvP: *const *const c_char,
) -> c_int