hping.c

unix下模仿ping功能

#include "defs.h"

char usage[] = "Usage: hping [ -drv ] host [ datasize ] [npackets ]\n";
char hnamebuf[MAXHOSTNAMELEN_1];
char *pname;

int main(int argc, char **argv)
{
	
	//printf("test1----argv[0]=%s\n",argv[0]);
		pthread_t p_tid;
		pthread_t c_tid;
    int sockoptions, on;
    char *destdotaddr;
    //char *host_err_str();
    struct hostent  *host;
    struct protoent *proto;
    on = 1;
    pname = argv[0];     /* point to ping */
    argc--;
    argv++;              /* move to next CL parameter */
    //printf("test2----argv[0]=%s\n",argv[0]);
    sockoptions = 0;
    while(argc > 0 && *argv[0] == '-')
    {
        while(*++argv[0])      /*  jump over 鈥