9base

revived minimalist port of Plan 9 userland to Unix
git clone git://git.suckless.org/9base
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vfprint.c (381B)

      1 /* Copyright (c) 2002-2006 Lucent Technologies; see LICENSE */
      2 #include <stdarg.h>
      3 #include "plan9.h"
      4 #include "fmt.h"
      5 #include "fmtdef.h"
      6 
      7 int
      8 vfprint(int fd, char *fmt, va_list args)
      9 {
     10 	Fmt f;
     11 	char buf[256];
     12 	int n;
     13 
     14 	fmtfdinit(&f, fd, buf, sizeof(buf));
     15 	VA_COPY(f.args,args);
     16 	n = dofmt(&f, fmt);
     17 	VA_END(f.args);
     18 	if(n > 0 && __fmtFdFlush(&f) == 0)
     19 		return -1;
     20 	return n;
     21 }