#include
#include
#include
// Part 3: Implement build_month_list.
char **build_month_list() {
char **month_list = malloc(3 * sizeof(char *));
month_list[0] = malloc((strlen(“January”) + 1) * sizeof(char));
strcpy(month_list[0], “January”);
month_list[1] = malloc((strlen(“February”) + 1) * sizeof(char));
strcpy(month_list[1], “February”);
month_list[2] = malloc((strlen(“March”) + 1) * sizeof(char));
strcpy(month_list[2], “March”);
return month_list;
}
int main() {
// Part 1: Declare and initialize first, second, and third.
char first[7] = “Monday”;
char *second = “Tuesday”;
char *third = malloc(10 * sizeof(char));
// make sure you understand why this commented-out line is incorrect
// Variable third is a assigned a pointer to a block of size 10 * char on the heap.
// The code below would then point third at the string literal “Wednesday”,
// which leaves the block of memory malloc’d with no reference to it (a memory leak).
//third = “Wednesday”;
strcpy(third,”Wednesday”);
printf(“%s %s %s\n”, first, second, third);
// Part 2: Declare and initialize string_list.
char *string_list[3];
string_list[0] = first;
string_list[1] = second;
string_list[2] = third;
printf(“%s %s %s\n”, string_list[0], string_list[1], string_list[2]);
// For part 3: Once you’ve implemented build_month_list, uncomment this code.
char **months = build_month_list();
for(int i = 0; i < 3; i++) {
printf("%s ", months[i]);
}
printf("\n");
for(int i = 0; i < 3; i++) {
months[i][3] = '\0';
printf("%s ", months[i]);
}
printf("\n");
return 0;
}