Module libc/limits

C11 <limits.h> — implementation-defined limits for integer types.

Stability

unstable — a raw C binding, not a Yo design, and currently unused: nothing in the tree imports it. Yo's integer limits are associated constants on the fixed-width types themselves (i32.MAX, u64.MAX, …, defined in std/prelude.yo), and they are exact by construction rather than dependent on the C compiler, so the prelude is the supported surface. The C names are bound anyway because they are what a transcribed header says, and because CHAR_BIT, MB_LEN_MAX and the signedness of plain char genuinely are implementation-defined and have no Yo counterpart.