git: purgatorio

ref: d7809194db6f52a6fc87a6d10bff7e78cc03c4d2
dir: /lib9/pread-Nt.c/

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#include "lib9.h"

long
pread(int fd, void *buf, long n, vlong offset)
{
	if(seek(fd, offset, 0) < 0)
		return -1;
	return read(fd, buf, n);
}