Added prototype for new function freenode().
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@ -9,6 +9,7 @@ typedef struct _node {
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extern node *newnode PROTO((int type));
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extern node *addchild PROTO((node *n, int type, char *str));
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extern void freenode PROTO((node *n));
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/* Node access functions */
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#define NCH(n) ((n)->n_nchildren)
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