#include <stdio.h>
#include <stdlib.h>
int calcula(FILE*arch);
void agregarNom(FILE*arch);
int main()
{
    FILE * arch;
    arch=fopen("odiado.txt","a");
    if(arch==NULL)
        return -1;
    agregarNom(arch);
    calcula(arch);
    printf("%d",calcula(arch));
    fclose(arch);
    return 0;
}
void agregarNom(FILE*arch)
{
    char let;
    int num,f=0;
    printf("cantidad de agregados: ");
    scanf("%d",&num);
    printf("Agregar: \n");
    let=getche();
    for(f=0; f<num ; f++)
    {
        while(let!='\r')
        {
            fputc(let,arch);
            let=getche();
        }
        printf("\n");
        fputc('\n',arch);
        let=getche();
    }
}
int calcula(FILE*arch)
{
    char let;
    int filas=0;
    while(!feof(arch))
    {
        let=fgetc(arch);
        if(let=='\r')
            filas++;
    }
    return filas;
}