Tags.

Interrupts.

Kernel.

RTOS.

Threads.

Zephyr.

C.

dynamic allocation.

getline.

memory management.

programming.

C Programming.

Pointers.

stdio.h.

Streams.

dup.

fcntl.

fdatasync.

fsync.

ioctl.

linux.

openat.

System Calls.

debugging.

open source.

symbol table.

system.map.

systems programming.

build.

custom-kernel.

debian.

grub.

troubleshooting.

File I/O.