#include #define STRING_NO_MATCH UINT64_MAX fn u64 string_first_ch(String string, u8 ch); fn u64 string_last_ch(String string, u8 ch); fn u8 string_starts_with(String string, String start); fn u8 string_ends_with(String string, String end); fn u64 string_first_occurrence(String string, String substring); fn u64 string_last_occurrence(String string, String substring);