ref: ef6d7a8ab1f406b97f64011eecb84300ac33d0b8
dir: /libc/vfprint.c/
#include <u.h> #include <libc.h> #include "fmtdef.h" int vfprint(int fd, char *fmt, va_list args) { Fmt f; char buf[256]; int n; fmtfdinit(&f, fd, buf, sizeof(buf)); VA_COPY(f.args,args); n = dofmt(&f, fmt); VA_END(f.args); if(n > 0 && __fmtFdFlush(&f) == 0) return -1; return n; }