rtapi_snprintf, rtapi_vsnprintf — Perform snprintf-like string formatting
int rtapi_snprintf ( char *buf, unsigned long int size, const char *fmt, …)
int rtapi_vsnprintf ( char *buf, unsigned long int size, const char *fmt, va_list apfB)
As for snprintf or vsnprintf.
These functions work like the standard C printf functions, except that a reduced set of formatting operations are supported.
In particular: formatting of long long values is not supported.
Formatting of floating-point values is done as though with %A even when other formats like %f are specified.
May be called from user, init/cleanup, and realtime code.
The number of characters written to buf.