FSvfprintf Function

MDDFS Interface Library Help

FSvfprintf Function

int FSvfprintf(
    auto FSFILE * handle, 
    auto const rom char * formatString, 
    auto va_list ap
);

Description

This helper function will access the elements passed to FSfprintf

Preconditions

This function should not be called by the user.

Parameters

Parameters	Description
handle	A pointer to the file to write to.
formatString	A string of characters and format specifiers to write to the file
ap	A structure pointing to the arguments on the stack

Returns

The number of characters written to the file

Side Effects

The FSerrno variable will be changed.

Remarks

Consult AN1045 for a full description of how to use format specifiers.