Comprehensive Guide to File Operations and System Calls in C
File operations and system calls are fundamental aspects of programming in C, essenti...
For further actions, you may consider blocking this person and/or reporting abuse
The library functions ultimately also make system calls, so the cost of library function calls are in addition to, not instead of, system calls. The library functions don’t somehow have magic access to bypass system calls.
The advantage of library functions is that they are “higher level” and have better APIs for doing most things and also offer choices in buffering.