static int
isat(char *p)
{
- return (strncmp(p, " AT ", 4)
- && strncmp(p, " At ", 4)
- && strncmp(p, " aT ", 4)
- && strncmp(p, " at ", 4) ? FALSE : TRUE);
+ return (strncmp(p, " AT ", 4)!=0 && strncmp(p, " At ", 4)!=0 &&
+ strncmp(p, " aT ", 4)!=0 && strncmp(p, " at ", 4)!=0 ?
+ FALSE : TRUE);
}