Lines Matching defs:zero
95 fd_set zero;
120 (void) memset(&zero, 0, sizeof (fd_set));
122 in0 = &zero;
124 out0 = &zero;
126 ex0 = &zero;
196 if (in0 != &zero) {
201 if (out0 != &zero) {
206 if (ex0 != &zero) {
258 * zero array if the input bit masks were null.
273 * In case we made "zero" read-only (e.g., with
276 if (in0 != &zero)
278 if (out0 != &zero)
280 if (ex0 != &zero)
354 * minimum non-zero timeout of 1 millisecond, force
355 * a minimum non-zero timeout of 500 microseconds.