1 files changed, 29 insertions, 0 deletions
diff --git a/src/include/strset.h b/src/include/strset.h
new file mode 100644
index 0000000..4a5703e
--- /dev/null
+++ b/src/include/strset.h
@@ -0,0 +1,29 @@
+#ifndef STRSET_H
+#define STRSET_H
+
+#include "uint_t.h"
+
+typedef struct strset_list
+{
+  uint32 h;
+  int next;
+}
+strset_list;
+
+typedef struct
+{
+  int mask; /* mask + 1 is power of 2, size of hash table */
+  int n; /* number of entries used in list and x */
+  int a; /* number of entries allocated in list and x */
+  int *first; /* first[h] is front of hash list h */
+  strset_list *p; /* p[i].next is next; p[i].h is hash of x[i] */
+  char **x; /* x[i] is entry i */
+}
+strset;
+
+extern uint32 strset_hash(char *);
+extern int strset_init(strset *);
+extern char *strset_in(strset *,char *);
+extern int strset_add(strset *,char *);
+
+#endif