phonebook.c

# include <cs50.h>
# include <stdio.h>
# include <string.h>

typedef struct
{
    string name;
    string number;
}
person;

int main(void)
{
   person people[2];
   people[0].name = "carter";
   people[0].number = "0745731094";

   people[1].name = "david";
   people[1].number = "14164283496";

    for (int i = 0; i < 2; i++)
    {
        if (strcmp(people[i].name, "david") == 0)
        {
            printf("Found %s\n", people[i].number);
            return 0;
        }
    }
    printf("Not found\n");
    return 1;
}