关于 c：生成原始比特流作为输出到另一个软件中的管道

int main(int argc, char *argv[])
{
    FILE *fpr;
    FILE *fpw;
    unsigned int i = 0;
    size_t size=0;
    char c;      
    unsigned int *buffer;
    char *filename;
    buffer = (unsigned int *) malloc(100);
    filename = (char *) malloc(128);

    if (argc != 2)
    {
        scanf("%s", filename);
        fpr = fopen(filename,"rb");
    }
    else
    {
        filename = (char *) realloc(filename, strlen(argv[1] + 1));
        strcpy(filename, argv[1]);
        fpr = fopen(filename,"rb");
    }
    if (fpr == NULL)
    {
        return –1;
    }
    while (c = fgetc(fpr) != EOF)
    {
        size++;
    }
    rewind(fpr);
    buffer = (int *) realloc(buffer, (size)*sizeof(int));
    memset(buffer, 0, sizeof(buffer));
    i=0;
    c = fgetc(fpr);
    while (c != EOF)
    {
       if ((c != ‘ ‘) && (c != ‘/
‘) && (c != ‘/
‘) && (c != ‘//t’))
       {
            buffer[i] = (unsigned int) ASCIItoDec(c);
       }
       else if (c == ‘ ‘)  
       {
            buffer[i] = ‘ ‘;
       }
       c = fgetc(fpr);
       i++;
    }  
    fclose(fpr);
    i=0;
    //streaming output
    fwrite(buffer, size*sizeof(buffer), 1, stdout);
    return 0;  
}