Initializing help system before first use

cmpval

Purpose
Compare two objects of the same external type.
Synopsis
int cmpval(XPRMcontext ctx,int type, void *left,void *right);
Arguments
ctx 
Mosel's execution context
type 
Code of the external type and operation ( i.e. XPRM_COMPARE_*)
left 
Left operand of the comparison
right 
Right operand of the comparison
Return value
Result of the operation or XPRM_COMPARE_ERROR in case of error.
Further information
This function calls directly the compare routine of the module (see Section Table of types). It is therefore recommended to check whether the type supports this functionality and the requested operation before using this function (see gettypeprop).
Related topics
gettypeprop.

Parent Topic Module types access

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