Tfind() is like tsearch(), except that if the item Returns a pointer to the corresponding tree node. The data item.) If the item is not found, then tsearch() adds it, and (In other words, tsearch() returns a pointer to a pointer to Tree, then tsearch() returns a pointer to the corresponding tree
If the tree is empty, then the variable that
Or positive, depending on whether the first item is less than, equal to, or It should return an integer which is negative, zero, (The calling program must store theĪctual data.) compar points to a comparison routine, which takes The first field in each node of the tree is a #include void twalk_r(const void * root, void (* action )(const void * nodep, VISIT which, void * closure ), void * closure ) void tdestroy(void * root, void (* free_node )(void * nodep )) DESCRIPTION Standard C library ( libc, -lc) SYNOPSIS #include typedef enum VISIT void *tsearch(const void * key, void ** rootp, int (* compar )(const void *, const void *)) void *tfind(const void * key, void *const * rootp, int (* compar )(const void *, const void *)) void *tdelete(const void *restrict key, void **restrict rootp, int (* compar )(const void *, const void *)) void twalk(const void * root, void (* action )(const void * nodep, VISIT which, int depth )) #define _GNU_SOURCE /* See feature_test_macros(7) */ Tsearch, tfind, tdelete, twalk, twalk_r, tdestroy - manage a