#pragma once void assert_eq_size_t_i(size_t expected, size_t actual, char const * file, size_t line); #define assert_eq(expected, actual) \ assert_eq_size_t_i(expected, actual, __FILE__, __LINE__) typedef struct { char * cs; } str_t; void str_init(str_t * str, char const * cs); void str_append(str_t * str, char const * cs); void str_free(str_t * str); static inline char * str_cstr(str_t * str) { return str->cs; }