lol.c

#include <stdio.h>
#include <stddef.h>

void foo(char **p, size_t lol);
void bar(char **p, size_t *lol);

void bar(char **p, size_t *lol) {
  char method[] = "GET";
  size_t lol_size = 50;

  *p = method;
  *lol = lol_size;
}

void foo(char **p, size_t lol) {
  bar(p, &lol);
}

int main() {
  char *myp;
  size_t lol;
  size_t len;
  foo(&myp, lol);

  if (lol == 50)
    return 0;
  else
    printf("Value of lol is: %lu", lol);
    return 1;
}