udpcksum.h
来自「unix网络编程第一卷socket编程书上的全部源代码」· C头文件 代码 · 共 35 行
H
35 行
#include "unp.h"#include <pcap.h>#include <netinet/in_systm.h> /* required for ip.h */#include <netinet/in.h>#include <netinet/ip.h>#include <netinet/ip_var.h>#include <netinet/udp.h>#include <netinet/udp_var.h>#include <net/if.h>#include <netinet/if_ether.h>#define TTL_OUT 64 /* outgoing TTL */ /* declare global variables */extern struct sockaddr *dest, *local;extern socklen_t destlen, locallen;extern int datalink;extern char *device;extern pcap_t *pd;extern int rawfd;extern int snaplen;extern int verbose;extern int zerosum; /* function prototypes */void cleanup(int);char *next_pcap(int *);void open_output(void);void open_pcap(void);void send_dns_query(void);void test_udp(void);void udp_write(char *, int);struct udpiphdr *udp_read(void);
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