HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
void *sbrk( int incr )        - prototype in alloc.h (malloc.h for MS C)        - dynamically changes the amount of space allocated to the calling          programs data segment.  Amount of allocated space is increased by          amount incr (can be negative).        - returns 0 if OK                 -1 & errno is set to ENOMEM
Esc or Alt-X to exit	sbrk	Home/PgUp/PgDn/End ←↑↓→