vscnprintf
Prev | String Conversions | Next

## 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.

If you're not already dealing with a va_list consider using `scnprintf`.

See the `vsnprintf` documentation for format string extensions over C99.

Prev | Up | Next
vsnprintf | Home | snprintf