The C Standard Library
The headers that come with every C compiler: I/O, strings, maths, memory, time and more.
Beginner
On microcontrollers, newlib or picolibc provides a smaller version; some functions (files, time) may need porting.
Spotted a mistake or want to add detail? Suggest an improvement — Content Contributors' edits are reviewed by editors before they go live.
Discussion (0)
Sign in or join free to ask questions and discuss this topic.