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/*
* pr_06.c
*
* Created on: Jun 11, 2013
* Author: delmadord
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdbool.h>
#define NUM_PLANETS 9
bool string_equal(const char *s, const char *t);
int main(int argc, char *argv[]) {
char *planets[] = {"Mercury", "Venus", "Earth",
"Mars", "Jupiter", "Saturn",
"Uranus", "Neptune", "Pluto"};
int i, j;
for (i = 1; i < argc; i++) {
for (j = 0; j < NUM_PLANETS; j++)
if (string_equal(argv[i], planets[j])) {
printf("%s is planet %d\n", argv[i], j + 1);
break;
}
if (j == NUM_PLANETS)
printf("%s is not a planet\n", argv[i]);
}
return 0;
}
bool string_equal(const char *s, const char *t) {
while (toupper(*s++) == toupper(*t++))
if (*s == '\0')
return 1;
return 0;
}