vfprintf should return the number of characters transmitted. v?snprintf should return the number needed (excluding the nul terminator), but the actual result varies (incorrectly) between systems.
- [9fans] APE vsnprintf return value bug Nathaniel W Filardo
- Re: [9fans] APE vsnprintf return value bug Steve Simon
- Re: [9fans] APE vsnprintf return value bug Charles Forsyth