C:brk

lastmod 2019-03-07created 2019-03-072 edits

brk, sbrk - change data segment size

Expands the data segment area. (Extends the end of the segment)

brk

SYNOPSIS:

#include <unistd.h>
int brk(void *addr);

brk() returns 0 on success and -1 on failure.

sbrk

SYNOPSIS:

#include <unistd.h>
void *sbrk(intptr_t increment);

sbrk() returns the segment's break address (the last boundary) on success and -1 on failure.

See also

• POSIX:unistd

Favorite site

• sbrk(), brk() functions