Jour 1 : corps de la fonction main

src/main.c

@@ -1,6 +1,20 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#define INPUT_FILE_PATH "./input.txt"
 
 int main(int argc, char *argv[]) {
-	printf("Hello world!\n");
+    unsigned int calibration_sum;
-    return 0;
+    FILE *input_file;
+
+    input_file = fopen(INPUT_FILE_PATH, "r");
+    if (input_file == NULL) {
+        fprintf(stderr, "Error %d opening \"%s\".", errno, INPUT_FILE_PATH);
+        return errno;
+    }
+
+    calibration_sum = get_calibration_sum(input_file);
+
+    return EXIT_SUCCESS;
 }