vscnprintf (9) - Linux Man Pages

vscnprintf: Format a string and place it in a buffer

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.

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