#include "stdlib.h" void exit(int code) { exit(code); } long int strtol(const char *str, char **endptr, int base) { return 0; } int abs(int n) { return n < 0 ? -n : n; } long long int llabs(long long int n) { return n < 0 ? -n : n; } void qsort(void *base, size_t num, size_t size, int (*compar)(const void*,const void*)) { }