Bug in c code calling bash code

#include <stdio.h>      
#include <stdlib.h>        
#include <string.h> 

start_processes()
{
  FILE *f, *fopen();
  f = popen ("/usr/suid/webofc/getdata | suid-to webofc "
                    "ssh `grep \"^10.0.0.1\" /etc/hosts | head -n 1 "
                    "| awk '{print $4}'` -C suid putdata update && "
                    "suid updatefirewall && suid " 
                    " updatemirrorhosts ", "w"); 
}

/****************************************/
main()
{
   start_processes();
}