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41 lines (29 sloc) 640 Bytes
Create by Lucas Marques
Resume: Starting a Oriented Objects Programming with C language
Brief of this file: Creating a sample struct with function and constructor
#include <stdio.h>
typedef int (*Soma)(struct Point*);
typedef struct Point
int X;
int Y;
Soma soma;
} Point;
Point* Point_new(int x, int y){
Point* point = malloc(sizeof(Point));
point->X = x;
point->Y = y;
return point;
int somar(Point *thisPoint){
return (thisPoint->X + thisPoint->Y);
int main(int argc, char const *argv[])
Point* p = Point_new(10, 10);
p->soma = somar;
printf("Resultado soma: %d\n", p->soma(p));
return 0;