C 언어 간단한거 질문좀 드려도될까요?

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ARR_MAX     256
#define LIST_MAX    3
 
typedef struct _listElem        // List Element
{
    char *key;
    char *value;
} LElem;
 
typedef LElem List[_MAX];
 
void LElemShow(const LElem *pelem);
void LElemDealloc(LElem *pelem);
void ListShow(const List *plist);
void ListDealloc(List *plist);
 
int main(void) // (int argc, const char* argv[])
{
    int i = 0;
    FILE *fptr;
    char *strptr;
    char tmpArr[ARR_MAX];
    char *tmpArgv;
    List list;
    LElem target;
 
    int argc = 3;
    const char* argv[] = {"./121114C", "Test.txt", "hello.ghi"};
 
    // 1. Usage Exception
    if (argc<3)
    {
        printf("Usage: ./121114C <TARGET_FILE_NAME> <KEY>.<VALUE>\n");
        return -1;
    }
 
    // 2. File Open Exception
    fptr = fopen(argv[1], "rt");
    if (!fptr)
    {
        printf("Error: Cannot find the file named %s\n", argv[1]);
        return -1;
    }
 
    // Process
    tmpArgv = (char *)calloc(sizeof(char), strlen(argv[2])+1);
    strcpy(tmpArgv, argv[2]);
    strptr = tmpArgv;
    target.key = strdup(strtok(strptr, "."));
    target.value = strdup(strtok(0, "\0"));
 
    printf("Target: \n");
    LElemShow(&target);
    free(tmpArgv);
 
    //    printf("%s%s2", target.key, target.value);
 
    strptr = fgets(tmpArr, ARR_MAX, fptr);
    while (strptr)
    {
//        printf("String: %s\n", tmpArr);
        list[i].value = strdup(strtok(strptr, " "));
        list[i].key = strdup(strtok(0, "\n"));          // function fgets includes newline character '\n'
 
//        printf("%s%s2", dict[i].key, dict[i].value);
 
        if (!strcmp(list[i].key, target.key))
        {
            printf("For key %s: ", target.key);
            if (!strcmp(list[i].value, target.value))
                printf("It is same\n");
            else
                printf("It is not same\n");
        }
 
        ++i;
        strptr = fgets(tmpArr, ARR_MAX, fptr);
    }
 
    printf("List: \n");
    ListShow(&list);
 
    LElemDealloc(&target);
    ListDealloc(&list);
    return 0;
}
 
void LElemShow(const LElem *pelem)
{
    printf("Key: %s\n", pelem->key);
    printf("Value: %s\n", pelem->value);
}
void LElemDealloc(LElem *pelem)
{
    free(pelem->key);
    free(pelem->value);
}
void ListShow(const List *plist)
{
    int i;
    for (i=0; i<LIST_MAX; ++i)
        LElemShow(*plist+i);
}
void ListDealloc(List *plist)
{
    int i;
    for (i=0; i<LIST_MAX; ++i)
        LElemDealloc(*plist+i);
}