On 26 Nov 2022 19:56, Seija K. via Libc-alpha wrote: > The format value has to be a string literal, every time. Otherwise, you are > not using these functions correctly. To reinforce this fact, I put > __restrict over every example of this I could find. there's at least some redundant settings in here that aren't needed. for example, the strptime prototype in time/time.h has restrict on fmt already, so it isn't needed in time/strptime.c. -mike