Initializing help system before first use

# setentname

Purpose
Associate a name with an entity.
Synopsis
`int setentname(XPRMcontext ctx, int type, void *ref, const char *name);`
Arguments

ctx | Mosel's execution context
type | Entity type or XPRM_STR_ARR for an array
ref | Entity reference
name | New name for the entity or NULL (it must be a registered string, see regstring)

Return value
0 on success, -1 if the pointer is NULL and -2 if the type does not support this functionality.
Further information
1. This function makes it possible to associate a name with an entity, this identifier is used by buildnames to generate its output ( e.g. matrix names are produced this way). Only decision variables ( XPRM_TYP_MPVAR), linear constraints ( XPRM_TYP_LINCTR) and native types with the property XPRM_DTYP_NAMED (like nlctr) can be used with this function.
2. Both scalars and arrays can be named. In the case of an array the name generation is performed by buildnames such that array cells of a dynamic array created after this call will also be named appropriately.
3. The name association will be removed if the provided name is NULL (no operation is performed if this association does not exist).
Related topics
getentname, buildnames.
Parent Topic Dictionary access

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