Stephen G Kochan- Patrick H: Wood Topics In C Programming

int subtract(int a, int b) return a - b;

* `if-else` statements: ```c if (condition) // code to execute if condition is true else // code to execute if condition is false Stephen G Kochan- Patrick H Wood Topics in C Programming

* `while` loops: ```c while (condition) // code to execute while condition is true int subtract(int a, int b) return a -