ENVNMATCH        2899 hash.c         #define ENVNMATCH(s1, s2, n) (STRNCASECMP((s1), (s2), (n)) == 0)
ENVNMATCH        2902 hash.c         #define ENVNMATCH(s1, s2, n) (memcmp((s1), (s2), (n)) == 0)