| extern int cistrncmp(); | |
| extern char *rfc822ize(); | |
| extern char casemap[]; | |
| /* must call cistrncmp before invoking TOLOW... */ | |
| #define TOLOW(c) (casemap[(c)+128]) /* see case.c for why 128 */ | |
| /* ...but the use of it in CISTREQN is safe without the preliminary call (!) */ | |
| /* CISTREQN is an optimised case-insensitive strncmp(a,b,n)==0; n > 0 */ | |
| #define CISTREQN(a, b, n) \ | |
| (TOLOW((a)[0]) == TOLOW((b)[0]) && cistrncmp(a, b, n) == 0) |