C language reads a character from user input

/*
read a character in C language
*/

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <math.h>

int main() {
    printf("Please enter a character：");
    int c = getchar();
    if (c != EOF)
        printf("%c\n", c);
  return 0;
}