Appendix B. Low-Level I/O
C PROGRAMMERS ON GNU/LINUX HAVE TWO SETS OF INPUT/OUTPUT functions at their disposal. The standard C library provides I/O functions: printf, fopen, and so on.[1] The Linux kernel itself provides another set of I/O operations that operate at a lower level than the C library functions.
[1] The C++ standard library provides iostreams with similar functionality. The standard C library is also available in the C++ language.
Because this book is for people who already know the C language, we’ll assume that you have encountered and know how to use the C library I/O functions.
Often there are good reasons to use Linux’s ...
Get Advanced Linux Programming now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
