#include <stdlib.h>

extern int __VERIFIER_nondet_int(void);

void *
cmemchr(const void *s, int c, size_t n)
{
	if (n != 0) {
		const unsigned char *p = s;

		do {
			if (*p++ == (unsigned char)c)
				return ((void *)(p - 1));
		} while (--n != 0);
	}
	return (NULL);
}

int main() {
  int length = __VERIFIER_nondet_int();
  int n = __VERIFIER_nondet_int();
  int c = __VERIFIER_nondet_int();
  if (length < 1) {
      length = 1;
  }
  if (n < 1) {
      n = 1;
  }
  char* nondetArea = (char*) alloca(n * sizeof(char));
  cmemchr(nondetArea, c, n);
  return 0;
}