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UNIX for Dummies Questions & Answers
Shc script size limitation and "_SC_ARG_MAX (see sysconf(2))" parameter
Post 302879627 by Corona688 on Friday 13th of December 2013 11:58:35 AM
12-13-2013
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LEARN ABOUT V7
getpagesize
getpagesize(3C) Standard C Library Functions getpagesize(3C) NAME
getpagesize - get system page size SYNOPSIS
#include <unistd.h> int getpagesize(void); DESCRIPTION
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). RETURN VALUES
The getpagesize() function returns the current page size. ERRORS
No errors are defined. USAGE
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(). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
pagesize(1), brk(2), getrlimit(2), mmap(2), mprotect(2), munmap(2), malloc(3C), msync(3C), sysconf(3C), attributes(5) SunOS 5.10 27 Jun 2000 getpagesize(3C)