The pblock_dup function duplicates a pblock. This function is equivalent to a sequence of pblock_create and pblock_copy.
pblock *pblock_dup(pblock *src);
A pointer to a newly allocated pblock.
pblock *src is the source pblock.
pblock_create, pblock_find, pblock_findval, pblock_free, pblock_nvinsert, pblock_remove