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

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

int add(int a, int b) return a + b;

#### Loops

* `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

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

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

int main() int *ptr = malloc(sizeof(int)); if (ptr == NULL) printf("Memory allocation failed\n"); return 1; *ptr = 10; printf("Value: %d\n", *ptr); free(ptr); return 0; int subtract(int a