Library Unistd H May 2026

: One of the most famous C functions; it literally "clones" your program into two identical processes running simultaneously.

Useful for controlling how your program behaves in the background. Library Unistd H

: Checks if a file descriptor is actually a terminal (useful for deciding if you should print colorful text). ⚠️ Pro-Tip: Portability : One of the most famous C functions;