eValue_t eGetVar

(eVariables_t v,
  eVarId_t id)

Get value of a variable.


Gets value of variable id in structure v. Variable no. id HAS TO exist.
Value of the variable if it exists, otherwise undefined (actually 0 ;).
See Also:
eAddVar(), eGetVarId(), eGetVarName(), eGetVarPtr(), eSetVar(), eIsVarName()

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libsexpr - a simple library for parsing arithmetic expressions
© 2003 by Marcin Simonides