syntax:

Clib.vfprintf(filePointer, formatString[,

              valist])

where:

filePointer - pointer to file to use.

formatString - string that specifies the final format.

valist - a variable list of arguments to be formatted according to formatString.

return:

number - characters written, else a negative number on error.

description:

This method formats a string with a variable number of arguments and prints it to the file specified by filePointer. It returns the number of characters written, or a negative number if there was an output error.

see:

Clib.fprintf(), Clib.sprintf()