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#ifndef DUCC_COMMON_H
#define DUCC_COMMON_H
#include <stddef.h>
_Noreturn void fatal_error(const char* msg, ...);
// TODO
#ifdef __ducc__
#define unreachable() fatal_error("%s:%d: unreachable", __FILE__, __LINE__)
#endif
#define unimplemented() fatal_error("%s:%d: unimplemented", __FILE__, __LINE__)
bool str_ends_with(const char* s, const char* suffix);
typedef struct {
size_t len;
size_t capacity;
char* buf;
} StrBuilder;
void strbuilder_init(StrBuilder* b);
// `size` must include a trailing null byte.
void strbuilder_reserve(StrBuilder* b, size_t size);
void strbuilder_append_char(StrBuilder* b, int c);
void strbuilder_append_string(StrBuilder* b, const char* s);
typedef struct {
size_t len;
size_t capacity;
const char** data;
} StrArray;
void strings_init(StrArray* strings);
void strings_reserve(StrArray* strings, size_t size);
int strings_push(StrArray* strings, const char* str);
void strings_pop(StrArray* strings);
#endif
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