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Added missing semicolons and correct some words.
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@ -154,7 +154,7 @@ int main() {
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int multi_array[2][5] = {
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int multi_array[2][5] = {
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{1, 2, 3, 4, 5},
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{1, 2, 3, 4, 5},
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{6, 7, 8, 9, 0}
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{6, 7, 8, 9, 0}
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}
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};
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//access elements:
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//access elements:
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int array_int = multi_array[0][2]; // => 3
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int array_int = multi_array[0][2]; // => 3
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@ -215,7 +215,7 @@ int main() {
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z = (a > b) ? a : b; // => 10 "if a > b return a, else return b."
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z = (a > b) ? a : b; // => 10 "if a > b return a, else return b."
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//Increment and decrement operators:
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//Increment and decrement operators:
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char *s = "iLoveC"
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char *s = "iLoveC";
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int j = 0;
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int j = 0;
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s[j++]; // => "i". Returns the j-th item of s THEN increments value of j.
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s[j++]; // => "i". Returns the j-th item of s THEN increments value of j.
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j = 0;
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j = 0;
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@ -251,7 +251,7 @@ int main() {
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// While loops exist
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// While loops exist
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int ii = 0;
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int ii = 0;
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while (ii < 10) { //ANY value not zero is true.
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while (ii < 10) { //ANY value not zero is true.
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printf("%d, ", ii++); // ii++ increments ii AFTER using it's current value.
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printf("%d, ", ii++); // ii++ increments ii AFTER using its current value.
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} // => prints "0, 1, 2, 3, 4, 5, 6, 7, 8, 9, "
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} // => prints "0, 1, 2, 3, 4, 5, 6, 7, 8, 9, "
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printf("\n");
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printf("\n");
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@ -259,7 +259,7 @@ int main() {
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int kk = 0;
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int kk = 0;
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do {
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do {
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printf("%d, ", kk);
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printf("%d, ", kk);
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} while (++kk < 10); // ++kk increments kk BEFORE using it's current value.
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} while (++kk < 10); // ++kk increments kk BEFORE using its current value.
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// => prints "0, 1, 2, 3, 4, 5, 6, 7, 8, 9, "
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// => prints "0, 1, 2, 3, 4, 5, 6, 7, 8, 9, "
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printf("\n");
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printf("\n");
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@ -367,7 +367,7 @@ int main() {
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// This works because arrays often decay into pointers to their first element.
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// This works because arrays often decay into pointers to their first element.
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// For example, when an array is passed to a function or is assigned to a pointer,
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// For example, when an array is passed to a function or is assigned to a pointer,
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// it decays into (implicitly converted to) a pointer.
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// it decays into (implicitly converted to) a pointer.
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// Exceptions: when the array is the argument of the `&` (address-od) operator:
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// Exceptions: when the array is the argument of the `&` (address-of) operator:
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int arr[10];
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int arr[10];
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int (*ptr_to_arr)[10] = &arr; // &arr is NOT of type `int *`!
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int (*ptr_to_arr)[10] = &arr; // &arr is NOT of type `int *`!
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// It's of type "pointer to array" (of ten `int`s).
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// It's of type "pointer to array" (of ten `int`s).
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@ -387,7 +387,7 @@ int main() {
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// You can also dynamically allocate contiguous blocks of memory with the
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// You can also dynamically allocate contiguous blocks of memory with the
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// standard library function malloc, which takes one argument of type size_t
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// standard library function malloc, which takes one argument of type size_t
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// representing the number of bytes to allocate (usually from the heap, although this
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// representing the number of bytes to allocate (usually from the heap, although this
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// may not be true on e. g. embedded systems - the C standard says nothing about it).
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// may not be true on e.g. embedded systems - the C standard says nothing about it).
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int *my_ptr = malloc(sizeof(*my_ptr) * 20);
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int *my_ptr = malloc(sizeof(*my_ptr) * 20);
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for (xx = 0; xx < 20; xx++) {
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for (xx = 0; xx < 20; xx++) {
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*(my_ptr + xx) = 20 - xx; // my_ptr[xx] = 20-xx
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*(my_ptr + xx) = 20 - xx; // my_ptr[xx] = 20-xx
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@ -405,7 +405,7 @@ int main() {
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// Strings are arrays of char, but they are usually represented as a
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// Strings are arrays of char, but they are usually represented as a
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// pointer-to-char (which is a pointer to the first element of the array).
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// pointer-to-char (which is a pointer to the first element of the array).
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// It's good practice to use `const char *' when referring to a string literal,
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// It's good practice to use `const char *' when referring to a string literal,
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// since string literals shall not be modified (i. e. "foo"[0] = 'a' is ILLEGAL.)
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// since string literals shall not be modified (i.e. "foo"[0] = 'a' is ILLEGAL.)
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const char *my_str = "This is my very own string literal";
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const char *my_str = "This is my very own string literal";
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printf("%c\n", *my_str); // => 'T'
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printf("%c\n", *my_str); // => 'T'
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