1 #include "common.h"
2 #include "send.h"
3 
4 #undef isspace
5 #define isspace(c) ((c)==' ' || (c)=='\t' || (c)=='\n')
6 
7 /*
8  *  Translate the last component of the sender address.  If the translation
9  *  yields the same address, replace the sender with its last component.
10  */
11 extern void
12 gateway(message *mp)
13 {
14 	char *base;
15 	String *s;
16 
17 	/* first remove all systems equivalent to us */
18 	base = skipequiv(s_to_c(mp->sender));
19 	if(base != s_to_c(mp->sender)){
20 		s = mp->sender;
21 		mp->sender = s_copy(base);
22 		s_free(s);
23 	}
24 }