ref: d5b0c4494eeb55193b9af7b3afb81f1be94d5b79
dir: /sys/src/cmd/upas/send/gateway.c/
#include "common.h" #include "send.h" /* * Translate the last component of the sender address. If the translation * yields the same address, replace the sender with its last component. */ void gateway(message *mp) { char *base; String *s; /* first remove all systems equivalent to us */ base = skipequiv(s_to_c(mp->sender)); if(base != s_to_c(mp->sender)){ s = mp->sender; mp->sender = s_copy(base); s_free(s); } }