static void Pfdset(fd_set *set, int max) {
int r, c;
char *ep;
+ if (!set) {
+ Pstring("null","null fdset pointer");
+ return;
+ }
if (vb2.buf[vb2.used++] != '[') Psyntax("fd set start not [");
FD_ZERO(set);
if (vb2.buf[vb2.used] == ']') { vb2.used++; return; }