fprintf 将格式化后的字符串写入到流 &reftitle.description; intfprintf resourcestream stringformat mixedvalues 写入根据 format 格式化后的字符串到由 stream 句柄打开的流中。 &reftitle.parameters; stream &fs.file.pointer; &strings.parameter.format; values &reftitle.returnvalues; 返回写入的字符串长度。 &reftitle.errors; &strings.errors.sprintf; &reftitle.changelog; &strings.changelog.sprintf; &reftitle.examples; ]]> ]]> &reftitle.seealso; printf sprintf vprintf vsprintf vfprintf sscanf fscanf number_format date