35 lines
482 B
C
35 lines
482 B
C
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#include <fcntl.h>
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#include <unistd.h>
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#include <assert.h>
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#define BLOCK_SIZE 1
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int main(int argc, char *argv[])
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{
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int fin, fout;
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char buf[BLOCK_SIZE];
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assert( argc == 3 );
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fin = open(argv[1],O_RDONLY);
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assert( fin >= 0 );
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fout = open(argv[2],O_CREAT|O_WRONLY|O_TRUNC,0600);
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assert( fout >= 0 );
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while(1){
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ssize_t nb_read;
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nb_read = read(fin,buf,BLOCK_SIZE);
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if (nb_read <= 0)
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break;
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write(fout,buf,nb_read);
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}
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close(fin);
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close(fout);
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return 0;
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}
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