Lines Matching defs:null_fd
89 int null_fd;
114 null_fd = open("/dev/null", O_WRONLY|O_NOCTTY);
115 if (null_fd < 0) {
120 if (dup2(null_fd, STDOUT_FILENO) != STDOUT_FILENO) {
125 if (null_fd != STDOUT_FILENO)
126 null_fd = safe_close(null_fd);
169 int null_fd;
188 null_fd = open("/dev/null", O_RDONLY|O_NOCTTY);
189 if (null_fd < 0) {
194 if (dup2(null_fd, STDIN_FILENO) != STDIN_FILENO) {
199 if (null_fd != STDIN_FILENO)
200 null_fd = safe_close(null_fd);