va_copy

Function va_copy 

Source
pub unsafe fn va_copy<'f>(dest: *mut VaListImpl<'f>, src: &VaListImpl<'f>)
🔬This is a nightly-only experimental API. (core_intrinsics)
Expand description

Copies the current location of arglist src to the arglist dst.

§Safety

You must check the following invariants before you call this function:

  • dest must be non-null and point to valid, writable memory.
  • dest must not alias src.