Header: stdio.h
Syntax:
extern int vprintf
(
const char *format,
va_list arg
);
Purpose: This function is equivalent to fprintf, with the variable argument list replaced by arg, which has been initialised by the va_start macro (and possibly subsequent va_arg calls). The vprintf function does not invoke the va_end function. Returns: the number of characters transmitted, or a negative value if an output error occurred.
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