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BTPLACE.C
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1984-12-14
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780b
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39 lines
/* btplace */
#include <stdio.h>
#include <btextern.h>
int btplace (filhand, key)
int filhand;
char *key;
{
int i,j,k,occurs,node,klength;
char *cp;
/* clear stack */
clear ();
/* initialize keylength */
klength = btfilar[filhand].keylen;
occurs = (LBLEN - 1) / (klength + 3);
node = btfilar[filhand].root;
cp = (char *)btfilar[filhand].filbuf + (LBLEN - 1);
do {
ip1 = btfilar[filhand].filbuf;
cp1 = btfilar[filhand].ikeyptr;
j = 0;
if ((i = btread (filhand, node)))
BTSETCOD (filhand, node, i);
while ((i = strcmp (cp1, "")) != 0
&& (k = strcmp (cp1, key)) == -1)
{
j++;
cp1 += (klength + 1);
};
push (node);
push (j);
node = ip1[j];
} while ((node != NULL) && (*cp != 'Y'));
return (0);
} /* end of btplace */