Generate Header

#include <stdio.h>
#include <time.h>
#include <string.h>
#include <stdlib.h>
#define YEAR_START 1900

#ifdef _WIN32
        #define WINDOWS 1
#else
        #define WINDOWS 0
#endif

typedef char* string;

int main(int argc, string argv[])
{
        // getting the current date
        time_t t = time(NULL);
        struct tm date = *localtime(&t);

        string months[] = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
        string month = months[date.tm_mon];
        int day = date.tm_mday;
        int year = date.tm_year + YEAR_START;
        char cd = '*';

                // checking to make sure usage is correct
        if (argc <  2 && argc > 3) {
                printf("Usage: ./genheader filename.c <-c or -m, default=-c>\n");
                return 1;
        }

        // selecting the right comment delimeter for the file type
        if (argc == 3 && strlen(argv[2]) == 2)
        {
                char user_option = argv[2][1];

                switch (user_option)
                {
                        case 'c':
                                cd = '*';
                                break;
                        case 'm':
                                cd = '#';
                                break;
                        default:
                                break;
                }

        }

        string file_name = argv[1];
        FILE *fout = fopen(file_name, "w");

        fprintf(fout, "/%c                         %s\n %c                           by Name\n %c                             %s %i, %i\n %c\n %c   Program Assignment: P##\n %c   Due Date:   \n %c   Program Description\n %c/\n\n#include <stdio.h>\n\n/%c\n %c\t\tMain Function\n %c/\nint main(void)\n{\n\n\treturn 0;\n}\n",
                cd, file_name, cd, cd,  month, day, year, cd, cd, cd, cd, cd, cd, cd, cd);

        fclose(fout);

        // if we're not running Windows creating a makefile, we use head and cut utilities to trim our file
        if (!WINDOWS && cd == '#')
        {
                char cmd[128];
                snprintf(cmd, 128," head -3 %s | cut -c 2- > %s", file_name, file_name);
                printf("Running: %s\n", cmd);
                system(cmd);
        }




        return 0;
}