Function rustc_llvm_proxy::proxy::LLVMCreateStringAttribute

#[no_mangle]
pub unsafe extern "C" fn LLVMCreateStringAttribute(
    C: LLVMContextRef, 
    K: *const c_char, 
    KLength: c_uint, 
    V: *const c_char, 
    VLength: c_uint
) -> LLVMAttributeRef