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Хостинг:
getpagesize - get system page size
#include <unistd.h> int getpagesize(void);
The getpagesize() function returns the number of bytes in a page. Page granularity is the granularity of many of the memory management calls.
The page size is a system page size and need not be the same as the underlying hardware page size.
The getpagesize() function is equivalent to sysconf(_SC_PAGE_SIZE) and sysconf(_SC_PAGESIZE). See sysconf(3C).
The getpagesize() function returns the current page size.
The value returned by getpagesize() need not be the minimum value that malloc(3C) can allocate. Moreover, the application cannot assume that an object of this size can be allocated with malloc().
See attributes(5) for descriptions of the following attributes:
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pagesize(1), brk(2), getrlimit(2), mmap(2), mprotect(2), munmap(2), malloc(3C), msync(3C), sysconf(3C), attributes(5)
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