June 2001
Intermediate to advanced
368 pages
9h 25m
English
Content preview from Advanced Linux Programming
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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 ...
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