Напишите поездка в файле c
FILE* f = fopen("number.txt", "w"); // open the file for writing
if (f != NULL) // check for success
{
fprintf(f, "%d", 42); // write the number 42 as a string
fclose(f); // close the file
f = NULL; // set file handle to null since f is no longer valid
}
Shy Swan