C file io

main.c

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

int main() {
    const char *filename = "Hello.txt";
    printf("In file %s\n", filename);

	FILE *file = fopen(filename, "r");
    fseek(file, 0, SEEK_END);
    size_t len = ftell(file);
    fseek(file, 0, SEEK_SET);

    char *content = malloc(len + 1);
    fread(content, len, 1, file);
    content[len] = 0;

    printf("File read completed\n%s", content);

    free(content);
	fclose(file);
	return 0;
}