dgclibig.lc

unix网络编程卷1：套接口API的全书源码

#include    "unp.h"##  1 ##src/udpcliserv/dgclibig.c##

#undef  MAXLINE##  2 ##src/udpcliserv/dgclibig.c##
#define MAXLINE 65507##  3 ##src/udpcliserv/dgclibig.c##

void##  4 ##src/udpcliserv/dgclibig.c##
dg_cli(FILE *fp, int sockfd, const SA *pservaddr, socklen_t servlen)##  5 ##src/udpcliserv/dgclibig.c##
{##  6 ##src/udpcliserv/dgclibig.c##
    int     size;##  7 ##src/udpcliserv/dgclibig.c##
    char    sendline[MAXLINE], recvline[MAXLINE + 1];##  8 ##src/udpcliserv/dgclibig.c##
    ssize_t n;##  9 ##src/udpcliserv/dgclibig.c##

    size = 70000;## 10 ##src/udpcliserv/dgclibig.c##
    Setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, &size, sizeof(size));## 11 ##src/udpcliserv/dgclibig.c##
    Setsockopt(sockfd, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size));## 12 ##src/udpcliserv/dgclibig.c##

    Sendto(sockfd, sendline, MAXLINE, 0, pservaddr, servlen);## 13 ##src/udpcliserv/dgclibig.c##

    n = Recvfrom(sockfd, recvline, MAXLINE, 0, NULL, NULL);## 14 ##src/udpcliserv/dgclibig.c##

    printf("received %d bytes\n", n);## 15 ##src/udpcliserv/dgclibig.c##
}## 16 ##src/udpcliserv/dgclibig.c##