Function in C to get text from file and put in a variable

getTextFromFile.c

#include <stdio.h>

char text[100]; 

void getTextFromFile(char *filename) {
  FILE *fp = fopen(filename, "r");

  if (fp == NULL)
  {
    printf("Error: could not open file %s", filename);
  }

  char ch;
  int i = 0;
  while ((ch = fgetc(fp)) != EOF){
    text[i] = ch;
    i++;
  }
  fclose(fp);
}

int main()
{
  getTextFromFile("teste2.txt");
  printf(text);
  getTextFromFile("redme.txt");
  printf(text);
  return 0;
}

thank you!