// Source file: string-input-fgets.c
#include <stdio.h>
#include <string.h>
#define LIMIT 20

int main(void) {
  char input[LIMIT];

  do {
    printf("Enter a string: ");

    fgets(input, LIMIT, stdin);             // Safe. Reads newline as well. Terminates with '\0'
                                            
    printf("You entered \"%s\"\n", input);
  }  while (strncmp(input, "exit", 4));
  
  return 0;
}