Read a simple struct employee write in c

file_struct_employee.c

#include <stdio.h>
#include <stdlib.h>
#define MAX_SIZE 50

typedef struct  {
    int key;
    char name[MAX_SIZE];
    char departament[MAX_SIZE];
    char category[MAX_SIZE];
    float antiquity;
} Employee;

void write_file(Employee employee,char *filename){
    FILE *outfile;
    outfile = fopen (filename, "w");
    if (outfile == NULL){
        fprintf(stderr, "\nError opend file\n");
        exit (1);
    }
    if(fwrite(&employee, sizeof(Employee), 1, outfile) != 0)
        printf("contents to file written successfully !\n");
    else
        printf("error writing file !\n");
    fclose (outfile);
}

void read_file(Employee employee,char *filename){
    FILE *inputfile;
    inputfile = fopen (filename, "r");
    if (inputfile == NULL){
        fprintf(stderr, "\nError opend file\n");
        exit (1);
    }
    printf("List Employees from file.dat\n");
    if(fread(&employee, sizeof(Employee), 1, inputfile) != 0)
        printf("Key: %d \n Name: %s \n Departament: %s \n Category: %s \n Antiquity : %f",employee.key,employee.name,employee.departament,employee.category,employee.antiquity);
    else
        printf("error writing file !\n");
    fclose (inputfile);
}

int main ( int argc, char** argvs ) {

    Employee employee_a = {100, "mariano", "industrial", "nose", 1.5};
    write_file(employee_a,"employee_x.dat");
    read_file(employee_a,"employee_x.dat");
    return 0;
}