Function LLVMPrintModuleToFile 

pub unsafe extern "C" fn LLVMPrintModuleToFile(
    M: LLVMModuleRef,
    Filename: *const c_char,
    ErrorMessage: *mut *mut c_char,
) -> LLVMBool

Print a representation of a module to a file. The ErrorMessage needs to be disposed with LLVMDisposeMessage. Returns 0 on success, 1 otherwise.

@see Module::print()