Programming

/* function pointers - std C allows ([blank])== any number/datatypes of parms  */
#include <stdlib.h>
#include <stdio.h>
void foo1(int p)
{
   printf("function foo1:%d\n", p);
}

void foo2(char *src, const int p)
{
   sprintf(src, "function foo2: %d", p);
   printf("%s\n", src);
}

void foo3(const int a, const int b, const int c)
{
	  int total=a + b + c;
	  printf("function: foo3(): %d + %d + %d = %d\n", a, b, c,  total);
}

typedef void (*ptr2Func)();

int main(int argc, char **argv)
{
   ptr2Func  fx[3]={foo1, foo2, foo3};
   char string[32]={0x0};
   fx[0](9);
   fx[1](string, 4);
   fx[2](1,2,3);
   return 0;
}

# compile with zero errors & warnings
> gcc -Wall -pedantic fptr.c    

>

> ./a.out                 
function foo1:9            
function foo2: 4               
function: foo3(): 1 + 2 + 3 = 6

// Struct with parameter info
typedef struct {
        char nombreParametro[30];
        void *valor;
} s_parametro;
typedef ListaParametros List<s_parametro>;

// Struct with function info
typedef struct {
        char nombreFuncion[30];
        void (*ejecutame)(ListaParametros *);
} s_funcion;