formatCstr = formatString.ToNewCString();
formatCstr = ToNewCString(formatString);
MimeTextBuildPrefixCSS(PRInt32    quotedSizeSetting,   // mail.quoted_size                       PRInt32    quotedStyleSetting,  // mail.quoted_style                       char       *citationColor)      // mail.citation_color{  char        *formatCstr = nsnull;  nsCString   formatString;    switch (quotedStyleSetting)  {  case 0:     // regular    break;  case 1:     // bold    formatString.Append("font-weight: bold; ");    break;  case 2:     // italic    formatString.Append("font-style: italic; ");    break;  case 3:     // bold-italic    formatString.Append("font-weight: bold; font-style: italic; ");    break;  }    switch (quotedSizeSetting)  {  case 0:     // regular    break;  case 1:     // large    formatString.Append("font-size: large; ");    break;  case 2:     // small    formatString.Append("font-size: small; ");    break;  }    if (citationColor && nsCRT::strlen(citationColor) != 0)  {    formatString += "color: ";    formatString += citationColor;    formatString += ';';  }  formatCstr = formatString.ToNewCString();  return formatCstr;}