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Plan 9 - man page for segbrk (plan9 section 2)

SEGBRK(2)			       System Calls Manual				SEGBRK(2)

NAME
       segbrk - change memory allocation

SYNOPSIS
       #include <u.h>
       #include <libc.h>

       int   segbrk(void *saddr, void *addr)

DESCRIPTION
       Segbrk  sets  the system's idea of the lowest unused location of a segment to addr rounded
       up to the next multiple of a page size, typically 4096 bytes.  The segment  is  identified
       by saddr which may be any valid address within the segment.

       A call to segbrk with a zero addr argument returns the address of the top of bss.

       The  system  will  prevent  segments from overlapping and will not allow the length of the
       text, data, or stack segment to be altered.

SOURCE
       /sys/src/libc/9syscall

SEE ALSO
       brk(2), segattach(2), segflush(2)
       /proc/*/segment

DIAGNOSTICS
       Sets errstr.

											SEGBRK(2)


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