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:include "c_wrap_linux.tnsl"
# :include "utils.tnsl"
{}uint8 wrong_args = "Usage: copy [from] [to]"
{}uint8 write_one = "\0\n\0"
# Proof of concept copy program
/; main (int argc, ~~uint8 argv) [int]
asm "mov r8, rdi"
asm "mov r9, rsi"
/; if (argc < 3)
_printf(~wrong_args{0})
return 1
;/
~void read_handle = _open_file(argv{1})
~void write_handle = _create_file(argv{2})
_print_num(~_dec{0}, read_handle)
_print_num(~_dec{0}, write_handle)
uint8 buf = 0
int read_count = 0
/; loop
read_count = _read_byte(read_handle, ~buf)
/; if (read_count == 0)
break
;/
_write_byte(write_handle, ~buf)
read_count = 0
;/
_close_file(read_handle)
_close_file(write_handle)
return 0
;/
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