Read a file line-by-line in C

read_lines.c

/**
 * Reads a file line-by-line.
 * smh
 * Created by Shawn Anastasio.
 * Licensed to Public Domain.
 */

#include <stdio.h>

#define MAX_FILE_SIZE 1024

int main(int argc, char **argv) {
    if (argc != 2) {
        printf("Usage: %s <filename>\n", argv[0]);
        return 1;
    }

    int cur_line = 0;
    char buffer[MAX_FILE_SIZE];

    FILE *fp;

    fp = fopen(argv[1], "r");
    while(fgets(buffer, MAX_FILE_SIZE, fp)) {
        printf("Just read line #%d\n", ++cur_line);
    }
}