//pipe/server.с
#include <sys/types.h> 
#include <sys/stat.h> 
#include <wait.h> 
#include <fcntl.h> 
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#define MAXLINE 180
void
server(char * read, char * write)
{
FILE *readfd, *writefd, *fd;
ssize_t n;
char buff[MAXLINE+1];
printf("Server wait...\n");
readfd=fopen(read,"r");
//printf("Descriptors: read=%p, write=%p\n", readfd, writefd);
/* получение полного имени из канала IPC */
fgets(buff,MAXLINE,readfd);
printf("Server get %s.",buff);
n=strlen(buff);
printf("Get %d bytes\n",n);
fclose(readfd);
writefd=fopen(write,"w");
buff[n] = '\0';	/* полное имя завершается 0 */
fd = fopen(buff, "r");
printf("Desc=%p\n", fd);
if (!fd) {
/* 4error  must tell client */
snprintf(buff+n, sizeof(buff)-n,": can't open  %s\n",strerror(errno));
//n = strlen(buff);
printf("Sending error:%s\n",buff);
fprintf(writefd, "%s",buff);
} else {
/* файл успешно открыт и копируется в канал */
printf("Server sending responce\n");
while ( (fgets(buff, MAXLINE,fd)) > 0)
{
fprintf(writefd,"%s",buff);
//printf("Server sent %d bytes\n",n);
}
fclose(fd);
fclose(writefd);
}
}