: In the tradition of O'Reilly's "Nutshell" series , it avoids "frills" to provide direct answers on syntax and parameters.
: A comprehensive reference to the C runtime library, featuring detailed explanations of standard headers and function behaviors with typical examples. C in a Nutshell: A Desktop Quick Reference
Which are you currently working with (C89, C99, C11, or C17)? : In the tradition of O'Reilly's "Nutshell" series
Are you primarily looking for or library function details? C in a Nutshell: A Desktop Quick Reference