No, but there's 'kernel C' (not an actual/official name) with a large reproduction of much of libc ready for use there. printk() is a good example which actuall

No, but there's 'kernel C' (not an actual/official name) with a large reproduction of much of libc ready for use there. printk() is a good example which actually has a format string implementation (https://www.kernel.org/doc/Documentation/printk-formats.txt https://www.kernel.org/doc/Documentation/printk-formats.txt)