vsprintf

Syntax

#include <stdio.h> #include <stdarg.h> int vsprintf(char *buffer, const char *format, va_list arguments);

Description

Sends formatted output from the arguments to the buffer. See section printf. See section vfprintf.

To avoid buffer overruns, it is safer to use vsnprintf() (see section vsnprintf).

Return Value

The number of characters written.

Portability

ANSI/ISO C	C89; C99
POSIX	1003.2-1992; 1003.1-2001