Structures in C (Alx candidates)

Structure in C is a user-defined data type. It is used to bind two or more similar or different data types or data structures together into a single type.

For this write up we will be creating a struct data type to be used in our project. In essence, this defines a struct named instruction and creates a type alias named instructs. This struct seems to be intended to store information about machine instructions or operations, along with a function pointer to execute those instructions. This project can be used in conjunction with the likes of PRINTFand MONTY PROJECTS IN ALX.

Creating the struct type of data

main.h file

for this write up i wont be discussing about the stack_t structure.

char *opcode: A pointer to a character string representing the opcode or operation name.

push, pull etc

void (*f)(stack_t **stack, unsigned int line_number): A function pointer named f that points to a function taking two arguments: a double pointer to stack_t (which appears to be a data structure related to stacks) and an unsigned integer line_number

f points to the name of the function to execute f - push, pull etc

f(stack_t pointer, line_number)

List your function prototype

main.h

// Function prototypes

void push(stack_t **stack, unsigned int line_number);

void pull(stack_t **stack, unsigned int line_number);

Create an array of instructions you want to perform

main.c

Print out all the functions and execute them:

main.c

Result