int main()
{
// four possible ways of passing 2d arrays to a function;
// 1. array to array
// a[m][n] -> b[m][n]
// 2. array to pointer
// a[m][n] -> *p
// 3. array to 1d pointer
// a[m][n] -> (*q)[n]
// 4. array to 2d pointer
// a[m][n] -> (*q)[m][n]
int arr[][2] = {
{11, 12},
{21, 22},
{31, 32},
{41, 42},
{51, 52},
};
int m, n;
m = 5;
n = 2;
array_to_array(arr, m, n);
array_to_pointer(arr, m, n);
array_to_1d_pointer(arr, m, n);
array_to_2d_pointer(arr, m, n);
}
int main(int argc, char **argv)
{
ARRAY *a;
SCAN *scan;
char *str;
int i;
scan = scan_create(1, stdin);
scan->delims = "+-=/";
scan->whites = " \t\n";
scan->comments = "";
a = array_create(5, char);
printf("> ");
while((str = scan_get(scan)) != NULL) {
if(*str == '=') {
scan->delims = ""; scan->whites = "\n";
str = scan_get(scan);
scan->delims = "+-=/"; scan->whites = " \t\n";
array_clear(a);
array_append_ptr(a, str, strlen(str));
}
else if(*str == '+') {
scan->delims = ""; scan->whites = "\n";
str = scan_get(scan);
scan->delims = "+-=/"; scan->whites = " \t\n";
printf("append(%s)\n", str);
array_append_ptr(a, str, strlen(str));
}
else if(*str == '-') {
scan->delims = ""; scan->whites = "\n";
str = scan_get(scan);
scan->delims = "+-=/"; scan->whites = " \t\n";
printf("prepend(%s)\n", str);
array_prepend_ptr(a, str, strlen(str));
}
else if(*str == '/') {
str = scan_get(scan);
array_destroy_index(a, atoi(str));
}
else if(*str == '^') {
str = scan_get(scan);
i = atoi(str);
str = scan_get(scan);
scan->delims = "+-=/"; scan->whites = " \t\n";
array_insert_index(a, *str, char, i);
}
str = array_to_pointer(a);
printf(" \"%s\"\n> ", str);
xfree(str);
}
