header=strtok(st,""");
    header=strtok(NULL,""");
    f=fopen(header,"r");
    if(f)
    {
            while((ch=fgetc(f))!=EOF)
            fputc(ch,f2);

            fclose(f);
    }
    else
    {
            header2=(char *)malloc(strlen("/usr/include")+strlen(header));
            header2=strcat("/usr/include/",header);
            f=fopen(header2,"r");

            printf("%sn",header2);

            while((ch=fgetc(f))!=EOF)
            fputc(ch,f2);

            fclose(f);
   }