vscanf()

Converts formatted text read from stdin into binary data.

  #include <stdio.h>
  
  int vscanf(const char *format, va_list arg);    

format

A pointer to a format string.

arg

An argument list.

The scanf() function works identically to the scanf() function. Instead of the variable list of arguments that can be passed to scanf(), vscanf() accepts its arguments in an array of type va_list processed by the va_start() macro from the stdarg.h header file.

vscanf() returns the number items converted successfully or EOF if it failed before it could process the first conversion.

This facility may not be available on configurations of the EWL that run on platforms without file systems.