186d7f5d3SJohn Marino #include <err.h>
286d7f5d3SJohn Marino #include <stdio.h>
386d7f5d3SJohn Marino #include <string.h>
486d7f5d3SJohn Marino #include <sysexits.h>
586d7f5d3SJohn Marino #include <netinet/in.h>
686d7f5d3SJohn Marino #include <sys/select.h>
786d7f5d3SJohn Marino #include <sys/socket.h>
886d7f5d3SJohn Marino #include <sys/types.h>
986d7f5d3SJohn Marino
1086d7f5d3SJohn Marino #define MANY 80
1186d7f5d3SJohn Marino
1286d7f5d3SJohn Marino int
main(int argc,char * argv[])1386d7f5d3SJohn Marino main(int argc, char *argv[])
1486d7f5d3SJohn Marino {
1586d7f5d3SJohn Marino fd_set write_fds;
1686d7f5d3SJohn Marino int fd[MANY+3], i, maxfd;
1786d7f5d3SJohn Marino
1886d7f5d3SJohn Marino FD_ZERO(&write_fds);
1986d7f5d3SJohn Marino for (i = 0; i < MANY; ++i) {
2086d7f5d3SJohn Marino if ((fd[i] = socket(PF_INET, SOCK_DGRAM, 0)) == -1)
2186d7f5d3SJohn Marino err(EX_OSERR, "socket(2) failure");
2286d7f5d3SJohn Marino
2386d7f5d3SJohn Marino FD_SET(fd[i], &write_fds);
2486d7f5d3SJohn Marino maxfd = fd[i];
2586d7f5d3SJohn Marino }
2686d7f5d3SJohn Marino
2786d7f5d3SJohn Marino i = select(maxfd+1, NULL, &write_fds, NULL, NULL);
2886d7f5d3SJohn Marino
2986d7f5d3SJohn Marino if (i == MANY)
3086d7f5d3SJohn Marino printf("ok\n");
3186d7f5d3SJohn Marino
3286d7f5d3SJohn Marino return (0);
3386d7f5d3SJohn Marino }
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