void trans_client(){
	char a;
	a='2';
	send(sockad,&a,1,0);
	char b;

	printf("send or get or quit?[S/G/Q]\n");
	scanf("%c",&a);
	printf("a is %c\n",a);
	send(sockad,&a,1,0);


	for(;a!='Q'&&a!='q';){
		if(a=='S'||a=='s'){
			trans_c_send();
		}
		else if(a=='G'||a=='g'){
			trans_c_get();
		}

		scanf("%c",&b);
		printf("send or get or quit?[S/G/Q]\n");
		scanf("%c",&a);
		scanf("%c",&b);
		send(sockad,&a,1,0);
		printf("a is %c\n",a);


	}


}

void trans_c_send(){
	printf("trans_c_send is running\n");
	char *name;
	char *s;
	int num_name;
	FILE *f;
	int num_text=0;
	char a;
	char b;

	name=(char *)malloc(sizeof(char)*128);
	s=(char *)malloc(1024*sizeof(char));
	memset(name,0,128*sizeof(char));
	memset(s,0,1024*sizeof(char));
	printf("input the name of file:");
	scanf("%s",name);
	num_name=strlen(name);
	send(sockad,name,num_name,0);

	
	f=fopen(name,"r+");
	a=fgetc(f);
	printf("opening file\n");
	for(;a!=EOF;){
		*(s+num_text)=a;
		num_text++;
		a=fgetc(f);
		if(a==EOF){
			b='Q';
			printf("sending %s\n",s);
			send(sockad,s,num_text,0);
//			send(sockad,&b,1,0);
		}
		else if(num_text==1024){
			b='A';
			printf("sending %s\n",s);
			send(sockad,s,num_text,0);
//			send(sockad,&b,1,0);
			memset(s,0,1024*sizeof(char));
		}
	}
	fclose(f);
	free(s);
	free(name);
	printf("exit trans\n");

}



void trans_c_get(){
	char *name;
	char *s;
	name=(char *)malloc(sizeof(char)*128);
	s=(char *)malloc(1024*sizeof(char));
	int num_name;
	memset(name,0,128*sizeof(char));
	printf("input the name of file:");
	scanf("%s",name);
	num_name=strlen(name);
	send(sockad,name,num_name,0);

	free(name);

}

/*
void itc(int num_name,char *num_name_char){
	int a;
	int i;
	int m;
	for(i=0;i<3;i++){
		m=2-i;
		m=(int)pow(10,m);
		a=num_name/m;
		num_name=num_name-a*m;
		num_name_char[i]=a+48;
	}
}
*/