Reading c file line by line using fgetc()

Programmer Question

This is how I done it but I'm not sure this is the preferred idiom:

FILE *fp = fopen(argv[0], "r");
// handle fopen() returning NULL

while (!feof(fp)) {
    char buffer[80]; // statically allocated, may replace this later with some more sophisticated approach
    int num_chars = 0;

    for (int ch = fgetc(fp); ch != EOF && ch != '\n'; ch = fgetc()) {
        buffer[num_chars++] = ch;
    }

    // null-terminate the string
    buffer[num_chars] = '\0';

    printf("%s\n", buffer);
}

Is this okay, any suggestions to improve this?

Find the answer here