c - How to pass a struct to a function in a yacc file? -

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मेरे पास ये yacc फ़ाइल में है। 

  var_declaration: type_specifier ID ';' {$ 2- & gt; आर्ग्स = ""; $ 2- & gt; मान = 0; $ 2- & gt; arraysize = 0; $ 2- & gt; प्रकार = "चर";}

काम से ऊपर सब कुछ।

मैं इसे इस पर जोड़ना चाहता हूं। 

  fn ($ 2);

फ़ंक्शन के अंदर से, मैं इस तरह से सामान करना चाहता हूं। 

  fn (struct symtab sp) {sp-> value = 0; }

लेकिन जब मैं प्रोग्राम को संकलित करने की कोशिश करता हूं तो मुझे यह त्रुटि मिलती है:

त्रुटि: '->' का अमान्य प्रकार तर्क ('स्ट्रेट सिम्टाब ')

मुझे लगता है कि आपका फ़ंक्शन होना चाहिए 

  एफएन (स्ट्रेट सिम्टाब एसपी)

के बजाय 

  जिस तरह से, $ 2 एक  union  है, मुझे नहीं लगता है कि  
  $ 2- & gt; आर्ग्स = ""; $ 2- & gt; मान = 0; $ 2- & gt; arraysize = 0;  
 
 सही है और 
 
  $ 2- & gt; प्रकार = "चर";  
 
 मान्य नहीं है।

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