#include <stdio.h>

#include <string.h>

#define DIM(a) (sizeof(a)/sizeof(*a))

int lookup_keyword(const char* key, const char* table[], const int size)

{

int ret = -;

int i = ;

for(i=; i<size; i++)

{

if( strcmp(key, table[i]) ==  )

{

ret = i;

break;

}

}

return ret;

}

int main()

{

const char* keyword[] = {

"do",

"for",

"if",

"register",

"return",

"switch",

"while",

"case",

"static"

};

printf("%d\n", lookup_keyword("return", keyword, DIM(keyword)));

printf("%d\n", lookup_keyword("main", keyword, DIM(keyword)));

return ;

}