Name
vscnprintf —
Format a string and place it in a buffer
Synopsis
int vscnprintf (char * buf, size_t size, const char * fmt, va_list args);
Arguments
buf
The buffer to place the result into
size
The size of the buffer, including the trailing null space
fmt
The format string to use
args
Arguments for the format string
Description
The return value is the number of characters which have been written into
the buf not including the trailing '\0'. If size is <= 0 the function
returns 0.
Call this function if you are already dealing with a va_list.
You probably want scnprintf instead.