How can I, in C, output a value from a syscall to the Linux console so that it will be visible after a dmesg? What method do I use for printing?
How can I, in C, output a value from a syscall to the Linux
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How can I, in C, output a value from a syscall to the Linux console so that it will be visible after a dmesg? What method do I use for printing?
You’re looking for the
printk()function; some documentation on the types that it supports is found inDocumentation/printk-formats.txt. It is defined inkernel/printk.c.