#include "alloc.h"

#ifndef ALLOCSIZE
#define ALLOCSIZE 10000 /* size of available space */
#endif

static char allocbuf[ALLOCSIZE]; /* storage for alloc */ 
static char *allocp = allocbuf;  /* next free position */

/* return pointer to n characters */ 
char *
alloc (int n)      
{
  /* If it fits ... */
  if (allocbuf + ALLOCSIZE - allocp >= n) 
    { 
      allocp += n;
      return allocp - n; /* old p */ 
    } 
  // If there's not enough room 
  else
   return 0;
} // alloc