Function sbrk 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn sbrk(incr: intptr_t) -> *mut c_void

👎Deprecated

See https://pubs.opengroup.org/onlinepubs/7908799/xsh/brk.html.

Deprecation

The sbrk() function was marked legacy in the System Interface & Headers Issue 5, and removed in Issue 6.