Convert strings like "15s" to seconds, milliseconds, or microseconds, and convert milliseconds to strings ("300ms", "5ms") or long strings ("5 seconds", "1 month").
Install with clib:
$ clib install clibs/ms
long long
string_to_microseconds(const char *str);
long long
string_to_milliseconds(const char *str);
long long
string_to_seconds(const char *str);
char *
milliseconds_to_string(long long ms);
char *
milliseconds_to_long_string(long long ms);
For usage view the tests