Compiling...mthreadserver.ce:\course\c語(yǔ)言\mthreadserver.c(2) : fatal error C1083: Cannot open include file: 'strings.h': No such file or directoryError executing cl.exe.mthreadserver.obj - 1 error(s), 0 warning(s)#include?<stdio.h>
#include?<strings.h>
#include?<unistd.h>
#include?<sys/types.h>
#include?<sys/socket.h>
#include?<netinet/in.h>
#include?<arpa/inet.h>
#define?PORT?1234
#define?BACKLOS?5
#define?MAXDATASIZE?100
void?process_cli(int?connfd,struct?sockaddr_in?client);
int?main(){
????int?listenfd,connfd;
????pid_t?pid;
????struct?sockaddr_in?server;
????struct?sockaddr_in?client;
????int?len;
????if((listenfd=socket(AF_INET,SOCK_STREAM,0))==-1){
????????perror("Creating?sock?falied");
????????exit(1);
????}
????int?opt=SO_REUSEADDR;
setsockopt(listenfd,SOL_SOCKET,SO_REUSEADDR,&opt,sizeof(opt));
bzero(&server,sizeof(server));
server.sin_family=AF_INET;
server.sin_port=htons(PORT);
server.sin_addr.s_addr=htonl(INADDR_ANY);
if(bind(listenfd,(struct?sockaddr?*)&server,sizeof(server))==-1){
perror("Bind?error");
exit(1);
}
if(listen(listenfd,BACKLOG)==-1){
perror("listen()?error\n");
exit(1);
}
len=sizeof(client);
while(1){
if((connfdf=accept(listenfd,(struct?sockaddr?*)&client,&len))==-1){
perror("accept()?error\n");
exit(1);
}
if((pid=fork())>0){
close(connfd);
continue;
}else?if(pid==0){
close(listenfd);
process_cli(connfd,client);
exit(0);
}else{
printf("fork()?error\n");
exit(0);
}
}
close(listenfd);
}
void?process_cli(int?connfd,struct?sockaddr_in?client){
int?num;
char?recvbuf[MAXDATASIZE],sendbuf[MAXDATASIZE],cli_name[MAXDATASIZE];
printf("You?got?a?connection?from?%s."inet_ntoa(client.sin_addr));
num=recv(connfd,cli_name,MAXDATASIZE,0);
if(num==0){
close(connfd);
printf("Client?disconnected.\n");
return;
}
cli_name[num-1]='\0';
printf("Client's?name?is?%s.\n",cli_name);
while(num=recv(connfd,recvbuf,MAXDATASIZE,0)){
recvbuf[num]='\0';
printf("Received?client(%s)?message:%s",cli_name,recvbuf);
int?i=0;
for(i=0;i<num-1;i++){
if((recvbuf[i]>='a'&&recvbuf[i]<='z')||(recvbuf[i]>='A'&&recvbuf[i]<='Z')){
recvbuf[i]=recvbuf[i]+3;
if((recvbuf[i]>'Z'&&recvbuf[i]<='Z'+3)||recvbuf[i]>'z')
recvbuf[i]=recvbuf[i]-26;
}
sendbuf[i]=recvbuf[i];
}
sendbuf[num-1]='\0';
send(connfd,sendbuf,strlen(sendbuf),0);
}
close(sonnfd);
}
1 回答
onemoo
TA貢獻(xiàn)883條經(jīng)驗(yàn) 獲得超454個(gè)贊
其實(shí)編譯器的報(bào)錯(cuò)已經(jīng)告訴你了，它說(shuō)找不到頭文件?strings.h。你拼錯(cuò)了，這個(gè)頭文件是 string.h
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