Michael Jones 16d5c24226 [libc] Add v variants of printf functions ...

The v variants of the printf functions take their variadic arguments as
a va_list instead of as individual arguments. They are otherwise
identical to the corresponding printf variants. This patch adds them
(vprintf, vfprintf, vsprintf, and vsnprintf) as well as tests.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D157138

2023-08-04 14:50:24 -07:00

611 B

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