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Asked: 2026-05-10T15:59:11+00:00

Here’s what I am trying to do: typedef enum { ONE, TWO, THREE }

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Here’s what I am trying to do: 

typedef enum { ONE, TWO, THREE } Numbers;

I am trying to write a function that would do a switch case similar to the following: 

char num_str[10]; int process_numbers_str(Numbers num) {   switch(num) {     case ONE:     case TWO:     case THREE:     {       strcpy(num_str, num); //some way to get the symbolic constant name in here?     } break;     default:       return 0; //no match   return 1; }

Instead of defining at every case, is there a way to set it using the enum variable like I am trying to do above?

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1 Answer

  1. There’s no built-in solution. The easiest way is with an array of char* where the enum’s int value indexes to a string containing the descriptive name of that enum. If you have a sparse enum (one that doesn’t start at 0 or has gaps in the numbering) where some of the int mappings are high enough to make an array-based mapping impractical then you could use a hash table instead.

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