So, I was looking for random linux manual pages, when I encountered this weird one, you can see it by executing "man unlocked_stdio", or you can view it in your browser by going to this page
So, what is this for? It has weird functions like getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked, and etc, all those functions have one thing in common, they have a FILE stream parameter, I know that all those functions are normal IO functions with a "_unlocked" appended to them, but what does that mean?