Brainf*** Compiler

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char *argv[]){
    // The file handling section
    // Make sure there is an argument to the interpter
    if(argc < 2){
        printf("\nCorrect usage is: bfc <source.txt>\n");
        exit(8); // Exit program
    }
    // Read in the input from a text based file
    FILE *file;
    file = fopen(argv[1], "r"); // Read the file to file...
    int p, size;
    p = size = 0; // Set stuff equal to zero
    char c; // Current char beind read
    // Read stuff into the char array.
    if(file == NULL){
        printf("\nFile could not be opened!\n");
        exit(8); // Exit the program
    }
    // make char input array size of required input
    fseek(file, 0, SEEK_END);
    size = ftell(file);
    fseek(file, 0, SEEK_SET);
    char input[size]; // Set up the input for proper size
    while((c=fgetc(file)) != EOF)
        input[p++] = (char) c; // Read in the file
    fclose(file); // Close the file, we have the input array
    // The writing section
    int i; // Iterator
    FILE *cfile; // output file
    cfile = fopen("temp.c", "a+");
    fprintf(cfile, "#include <stdio.h>\n\n");
    fprintf(cfile, "char tape[30000];\nchar *ptr = tape;\n");
    fprintf(cfile, "\nint main(){\n");
    for(i = 0; input[i] != 0; i++){ // Go through 1 command at a time
        c = input[i]; // get ")rrent char
        if(c == '+')
            fprintf(cfile, "\t++*ptr;\n");
        else if(c == '-')
            fprintf(cfile, "\t--*ptr;\n");
        else if(c == '>')
            fprintf(cfile, "\t++ptr;\n");
        else if(c == '<')
            fprintf(cfile, "\t--ptr;\n");
        else if(c == ',') // get input
            fprintf(cfile, "\t*ptr = getchar();\n");
        else if(c == '.') // print current char
            fprintf(cfile, "\tputchar(*ptr);\n");
        else if(c == '[')
            fprintf(cfile, "\twhile(*ptr){\n");
        else if(c == ']'){
            fprintf(cfile, "\t}\n");
            }
        }
        fprintf(cfile, "\treturn 0;\n}\n");
        fclose(cfile); // close out the file
        system("gcc -Wall -o out temp.c");
        system("del temp.c");
        return 0;
}