send_mail
int send_mail = 0;
if (fscanf(stream, fmt, &nuid, &ngid, mailbuf, &send_mail) != 4)
if ((buf.st_size != size) || send_mail)
send_mail);
send_mail = 1;
static int send_mail = 0;
send_mail(fpout);
static void send_mail(FILE *fp);