C = Imports ------- .. code:: c #include Comments -------- .. code:: c // single line comment /* multi line comment */ Main ---- .. code:: c void main() { system("pause"); } Declarations ------------ .. code:: c // unsigned, sizeof() char c = '1'; short s = 2; int i = 4; long l = 8; float f = (float)4; double d = (double)8; long double ld = (long double)16; Output ------ .. code:: c printf("int: %d\n", entry1); printf("float: %.2f\n", f); Input ----- .. code:: c scanf("%d%s%d", &entry1, &operator, &entry2); Conditions ---------- .. code:: c if (condition) { expression1; } else { expression2; } .. code:: c switch (operator) { case '+': expression1; break; default: printf("Nope!\n"); } Loops ----- .. code:: c for (declarations;conditions;increments) { expression1; } .. code:: c while (condition) { expression1; }