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lseek.c
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1979-01-10
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231 b
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15 lines
lseek(fd, off, ptr)
int fd, ptr;
long off;
{
unsigned a;
a = off;
if (a == off)
return (syscall(19, fd, 0, a, ptr, 0));
a = off/512;
syscall(19, fd, 0, a, ptr+3, 0);
return(syscall(19, fd, 0, (int) (off%512), ptr, 0));
}