Function convert_underscore_to_dash

include/my_getopt.h:138–145

void my_getopt_init_one_value(const struct my_option *, void *, longlong);

static inline void convert_underscore_to_dash(char *str, size_t len)
{
  for (char *p= str; p <= str+len; p++)
    if (*p == '_')
      *p= '-';
    else if (*p != '-' && isalnum(*p) == 0)
      break;
}

C_MODE_END