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* Wrappers around strtoull/strtoll that are safer and easier to
* use. For tests and assumptions, see internal_tests.c.
* str a NULL-terminated base decimal 10 unsigned integer
* out out parameter, if conversion succeeded
* returns true if conversion succeeded.
bool safe_strtoull(const char *str, uint64_t *out);
bool safe_strtoll(const char *str, int64_t *out);
bool safe_strtoul(const char *str, uint32_t *out);
bool safe_strtol(const char *str, int32_t *out);