/* writev.c * * Short writev(2) demo: */#include <sys/uio.h>intmain(int argc,char **argv) {    static char part2[] = "THIS IS FROM WRITEV";    static char part3[] = "]\n";    static char part1[] = "[";    struct iovec iov[3];    iov[0].iov_base = part1;    iov[0].iov_len = strlen(part1);    iov[1].iov_base = part2;    iov[1].iov_len = strlen(part2);    iov[2].iov_base = part3;    iov[2].iov_len = strlen(part3);    writev(1,iov,3);    return 0;}