Programming

   #include <stdio.h>
    #include "error.h"
    #include "string.h"
    #define BUFLEN 256
    char buffer[BUFLEN];
    int main() {
    FILE *fp;
    char *rsync;
    char *target
    char tmp_file[BUFLEN];
                command=malloc(2*strlen(rsync)+strlen(target)+24+strlen(tmp_file));
                sprintf(command, "%s %s://%s/csync/etc/passwd %s", rsync, rsync, target, tmp_file);1
            }
            if ... 
         }
     fclose(fp);
     unlink(tmp_file);
   }

#include <stdio.h>

int main() {
        char buf[4096];
        char *n=tmpnam(NULL); // Use this as the file name, not tmp_file.

// get the file
... 

        FILE *fp=fopen(n, "r");
        unlink(n);
        // Read a line into 'buf' until we run out of lines
        while(fgets(buf, 4096, fp))
        {
                // Check the contents of 'buf' for what you want
        }
}