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# hmdump

Purpose
Retrieve the content of a hashmap.
Synopsis
`unsigned int hmdump(XPRMcontext ctx,XPRMhashmap hm, size_t *keys, size_t *vals, unsigned int nbmax);`
Arguments

ctx | Mosel's execution context
hm | A hashmap
keys | Array to retrieve the keys (may be NULL)
vals | Array to retrieve the values (may be NULL)
nbmax | Size of the arrays keys and vals

Return value
The number of entries recorded in the map (may be greater than nbmax).
Related topics
hmset, hmget, hmdel, hmnew, hmenum.
Parent Topic Miscellaneous

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