/* --------------------------------------------------------------- */
/*  gnuplot :   xdef.h                                             */
/*  https://fr.wikibooks.org/wiki/Mathc_gnuplot/Fichiers_h_:_xdef  */
/* --------------------------------------------------------------- */

#ifndef PI
#define PI               3.14159265359
#endif

/* ------------------------------------ */
void clrscrn(void)
{
  printf("\n\n\n\n\n\n\n\n\n\n\n"
         "\n\n\n\n\n\n\n\n\n\n\n"
         "\n\n\n\n\n\n\n\n\n\n\n");
}
/* ------------------------------------ */
void Pause(void)
{
int i=300;
int j;

  while(--i){j=600000;while(--j);}
}
/* ------------------------------------ */
/* First file name :                    */
/*                                      */
/* char fname[]= "a_paaa";              */
/* ------------------------------------ */
char *NewName(
char *name
)
{
            if(name[5]<'z')

               ++name[5];

       else if(name[4]<'z')
              {
                 name[5]='a';
               ++name[4];
              }
       else if(name[3]<'z')
              {
                 name[5]='a';
                 name[4]='a';
               ++name[3];
              }

 return(name);
}