char *keycodes[] = {"VK_ESCAPE","VK_SPACE","VK_HOME",...};
int keyvalues[] = { 0x1b, 0x20, 0x24, ...};
// ... search for a match in the input string
int numKeycodes = sizeof(keycodes)/sizeof(char*);
int i=0;
int iniValue = -1;
while( i < numKeycodes ) {
   if( iniString==keycodes[i] ) {
      iniValue = keyvalues[i];
      break;
   }
   i++;
}
if( iniValue != -1 ) {
   // do something with the matched value
}

#include "TokenList.h"

struct TokenMatch
{
  unsigned int value;
  char * token
};

TOKEN_TO_PAIR(TOKEN) {TOKEN, #TOKEN}

int main()
{
  TokenMatch pairs = {TOKEN_TO_PAIR(VK_ESCAPE),
                      TOKEN_TO_PAIR(VK_RETURN),
                      TOKEN_TO_PAIR(VK_LEFT),
                      // etc
                     };
}