Learn to Program with C_ Learn to Program using the Popular C Programming Language ( PDFDrive )

Chapter 10 ■ Structures
Putting all the pieces together, we get Program P10.2, the program to solve the voting problem.
Program P10.2
#include <stdio.h>
#include <string.h>
#define MaxCandidates 7
#define MaxNameLength 30
#define MaxNameBuffer MaxNameLength+1
typedef struct {
char name[MaxNameBuffer];
int numVotes;
} PersonData;
PersonData candidate[MaxCandidates];
typedef struct {
int valid, spoilt;
} VoteCount;
int main() {
void initialize(PersonData[], int, FILE *);
VoteCount processVotes(PersonData[], int, FILE *, FILE *);
void printResults(PersonData[], int, VoteCount, FILE *);
PersonData candidate[MaxCandidates+1];
VoteCount count;
FILE *in = fopen("votes.txt", "r");
FILE *out = fopen("results.txt", "w");
initialize(candidate, MaxCandidates, in);
count = processVotes(candidate, MaxCandidates, in, out);
printResults(candidate, MaxCandidates, count, out);
fclose(in);
fclose(out);
} //end main
void initialize(PersonData person[], int max, FILE *in) {
char lastName[MaxNameBuffer];
for (int h = 1; h <= max; h++) {
fscanf(in, "%s %s", person[h].name, lastName);
strcat(person[h].name, " ");
strcat(person[h].name, lastName);
person[h].numVotes = 0;
}
} //end initialize
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