This data structure is used by the Zig language code generation and therefore must be kept in sync with the compiler implementation.
pub const VaListSh = extern struct
pub const VaListSh = extern struct {
__va_next_o: *anyopaque,
__va_next_o_limit: *anyopaque,
__va_next_fp: *anyopaque,
__va_next_fp_limit: *anyopaque,
__va_next_stack: *anyopaque,
}