centos man page for snprintf

SNPRINTF(9)						     Basic C Library Functions						       SNPRINTF(9)

NAME
       snprintf - Format a string and place it in a buffer

SYNOPSIS
       int snprintf(char * buf, size_t size, const char * fmt, ...);

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 @...: Arguments for the format string

       ...
	   variable arguments

DESCRIPTION
       The return value is the number of characters which would be generated for the given input, excluding the trailing null, as per ISO C99. If
       the return is greater than or equal to size, the resulting string is truncated.

       See the vsnprintf documentation for format string extensions over C99.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							       SNPRINTF(9)