Reported-by: Paul Eggert <egg...@cs.ucla.edu> Reported-by: David Laight <david.lai...@aculab.com> Signed-off-by: Alejandro Colomar <colomar.6....@gmail.com> ---
Paul and David, Thanks for your input! Alex man7/system_data_types.7 | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/man7/system_data_types.7 b/man7/system_data_types.7 index 6451782db..bc7d5a8a0 100644 --- a/man7/system_data_types.7 +++ b/man7/system_data_types.7 @@ -1918,6 +1918,17 @@ A value of this type can't be dereferenced, as it would give a value of type .I void which is not possible. +Likewise, pointer arithmetic is not possible with this type. +However, in GNU C, poitner arithmetic is allowed +as an extension to the standard; +this is done by treating the size of a +.I void +or of a function as 1. +A consequence of this is that +.I sizeof +is also allowed on +.I void +and on function types, and returns 1. .PP The conversion specifier for .I void * -- 2.28.0
