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Toute la documentation sur la certification Linux LPI

pread

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#define _XOPEN_SOURCE 500

#include <unistd.h>

ssize_t pread(int fd, void *buf, size_t count, off_t offset);

ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);

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POSIX.1-2001.

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lseek(2), read(2), write(2), feature_test_macros(7)