vsprintf(9)
NAME
vsprintf - Format a string and place it in a buffer
SYNOPSIS
int vsprintf(char * buf, const char * fmt, va_list args);
ARGUMENTS
- buf
- The buffer to place the result into
- fmt
- The format string to use
- args
- Arguments for the format string
DESCRIPTION
The function returns the number of characters written into buf. Use vsnprintf or vscnprintf in order to avoid buffer overflows.
Call this function if you are already dealing with a va_list. You
probably want sprintf instead.