Разработка ПО различной степени сложности 

#include 
#include 
#include 

int
main (int argc, char *argv[])
{
    FontRec font;
    FontFilePtr input, output;
    char    *input_name = NULL, *output_name = NULL;
    char    *program_name;
    int     bit, byte, glyph, scan;

    bzero(&font, sizeof(FontRec));

    FontDefaultFormat (&bit, &byte, &glyph, &scan);
    program_name = argv[0];
    argc--, argv++;
    while (argc-- > 0) {
        if (argv[0][0] == '-') {
            switch (argv[0][1]) {
            case 'p':
                switch (argv[0][2]) {
                case '1':
                case '2':
                case '4':
                case '8':
                    if (argv[0][3] != '�')
                        goto usage;
                    glyph = argv[0][2] - '0';
                    break;
                default:
                    goto usage;
                }
                break;