Heap manager in C?

[Walter Bright]

In article <258 at intek01.UUCP> mark at intek01.UUCP (Mark McWiggins) writes:
<Do you have/know of a heap management system in C that I could recommend
<to him?  I'm aware of the library source available with MS-DOS C compilers,
<but they all seem to contain 80x86 assembly language down at the bottom.

There's one in the classic K+R book.

Most C compilers implement it in assembly for speed. Customers don't care
about portability of runtime library code, they care about size/speed.
I know that a lot of my programs are heavily dependent on efficient
heap management.