Convert strings of ASCII characters to the appropriate numeric
    values. strtoll is a synonym for strtoq.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <stdlib.h>

      __int64 strtoq  (const char *nptr, char **endptr, int base);

      __int64 strtoll  (const char *nptr, char **endptr, int base);