Fprintf and fscanf

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

char names[100][40];
char numbers[100][40];

int loc=0;

int menu(void);
void enter(void);
void find(void);
void save(void);
void load(void);


main()
{
 int choice;
  do{
	 choice=menu();
	 switch(choice){
		case 1: enter();
			break;
		case 2: find();
			break;
		case 3: save();
			break;
		case 4: load();
			break;

	  }
}while(choice!=5);

return 0;
}

int menu(void)
{

int i;
char str[80];

printf("1.Enter the names and numbers.\n");
printf("2.Find numbers.\n");
printf("3.Save directory to disk.\n");
printf("4.Load directory from disk.\n");
printf("5.Quit.\n");

do{
	printf("Enter your choice: ");
	gets(str);
	i=atoi(str);
	printf("\n");
 }while(i<1 || i>5);
	return i;
}

void enter(void)
{

  for(;loc<100;loc++){
	 if(loc<100){
		printf("Enter name and phone number:\n");
		gets(names[loc]);
		if(!*names[loc]) break;
		gets(numbers[loc]);
	  }
	}
 }

 void find(void)
 {

	char name[80];
	int i;

	printf("Enter name:");
	gets(name);

	for(i=0;i<100;i++)
		if(!strcmp(name,names[i]))
			printf(" %s %s\n",names[i],numbers[i]);
	}

	void load(void)
	{

	  FILE *fp;


	  if((fp=fopen("phone.txt","r"))==NULL){
		 printf("Cannot open file.\n");
		 exit(1);
	 }

	 loc=0;
	 while(!feof(fp)){
		fscanf(fp,"%s %s",names[loc],numbers[loc]);
		loc++;
	 }
	 fclose(fp);
 }

	 void save(void)
	 {
		FILE *fp;
		int i;

		if((fp=fopen("phone","w"))==NULL){
			printf("Cannot open file.\n");
			exit(1);
	 }

	 for(i=0;i<loc;i++){
		fprintf(fp, "%s %s", names[i], numbers[i]);
	  }
	  fclose(fp);
	 }

PERSONONE 111PERSONTWO 222