fix accidentally deleted deref.
clean up files we don't need
KNF.
Correctly document the return value of getenv(3)

From Ben Cornett (ben (at) lantern.is)
remove macros wrapping malloc/calloc/free/realloc
Bring malloc/calloc/realloc sequences to modern standard
ok guenther
Replace entire printf-like guts with calls to libc snprintf.
funopen(3) is used to interface to BIO descriptors.
ok guenther
modernize malloc call
Delete #if 0'd time related functions which are totally expired.
No point even seeing these when we do the 2038 audit later on...
improve realloc/calloc/malloc patterns; ok guenther
KNF.
wrong calloc, see people do care
Introducing:      void *mallocarray(size_t nmemb, size_t size);
Like calloc(), except without the cleared-memory gaurantee
ok beck guenther, discussed for more than a year...
correct man page section
KNF.
KNF.
KNF.
More KNF.
KNF.
no need for malloc casts