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`void```f_bfxmode`'(`file``f`,`mode``b`,`mode``d`,`mode``x`,`mode``m`);writes the base

`x`,`d`digits,`b`wide comma separated blocks representation of`m`on the`f`file if`b`and`d`are not less than zero and`x`is between 2 and 36 inclusive, does nothing otherwise`void```f_byte`'(`file``f`,`mode``c`);`void```f_etext`'(`file``f`,`text``s`);`void```f_flush`'(`file``f`);`void```f_fxmode`'(`file``f`,`mode``d`,`mode``x`,`mode``m`);writes the base

`x`,`d`digits representation of`m`on the`f`file if`d`is not less than zero and`x`is between 2 and 36 inclusive, does nothing otherwise`void```f_mode`'(`file``f`,`mode``m`);`void```f_real`'(`file``f`,`mode``d`,`real``x`);writes the representation of

`x`on the`f`file with no more than`d`digits if`d`is not less than 0, does nothing otherwise`void```f_space`'(`file``f`,`mode``m`);`void```f_text`'(`file``f`,`text``s`);`void```f_wbfxmode`'(`file``f`,`mode``w`,`mode``b`,`mode``d`,`mode``x`,`mode``m`);writes the base

`x`,`d`digits,`b`wide comma separated blocks representation of`m`on the`f`file if`b`and`d`are not less than zero and`x`is between 2 and 36 inclusive, does nothing otherwise. In the event of any output, at least`w`characters are written with the necessary white space inserted to the left of`m`representation if`w`is not negative and at least -`w`characters are written with the necessary white space inserted to the right of`m`representation otherwise.`void```f_wmode`'(`file``f`,`mode``w`,`mode``m`);writes the representation of

`m`on the`f`file. In the event of any output, at least`w`characters are written with the necessary white space inserted to the left of`m`representation if`w`is not negative and at least -`w`characters are written with the necessary white space inserted to the right of`m`representation otherwise.`void```f_wpreal`'(`file``f`,`mode``w`,`mode``a`,`mode``d`,`real``x`);writes the representation of

`x`on the`f`file with no more than`d`digits and at least`a`+ 1 characters after the integral part if`a`is not zero (1 character for the period sign,`a`characters for the fractional part) if`a`and`d`are not less than zero, does nothing otherwise. In the event of any output, at least`w`characters are written with the necessary white space inserted to the left of`x`representation if`w`is not negative and at least -`w`characters are written with the necessary white space inserted to the right of`x`representation otherwise.`void```f_xmode`'(`file``f`,`mode``x`,`mode``m`);writes the base

`x`representation of`m`on the`f`file if`x`is between 2 and 36 inclusive, does nothing otherwise