taking input from user and writing in a file in C

 #include <stdio.h>

int main(){

FILE *ptr;

float sal1,sal2;

char name1[30],name2[30];

ptr=fopen("employee.txt","w");

printf("Enter name of employe 1:\n");

scanf("%s",name1);

printf("Enter the salary of employee 1:\n");

scanf("%f",&sal1);

printf("Enter name of employee 2:\n");

scanf("%s",name2);

printf("Enter the salary of employee 2:\n");

scanf("%f",&sal2);

printf("%f %f %s %s",sal1,sal2,name1,name2);

fprintf(ptr,"%s,%f\n",name1,sal1);

fprintf(ptr,"%s,%f\n",name2,sal2);

fclose(ptr);

 return 0;

}