NULL holy wars and a challenge

[David MacKenzie]

The program posted fails to compile under MS-DOS using Manx Aztec C
v3.20d, small model, with "illegal type conversion" errors on the
while()s with (char *), (void *), and (struct junk *).  Challenge met?
-----
David MacKenzie
Environmental Defense Fund
edf at rocky2.rockefeller.edu (...rutgers!cmcl2!rocky2!edf)