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#include <unistd.h> // ssize_t, read, write
#include <fcntl.h> // open, close, O_RDONLY, ...
#include <stdio.h> // printf, perror
int main(int argc, char* argv[]) {
int f = open(argv[1], O_RDONLY);
if (f < 0) {
perror("open");
return 1;
}
ssize_t lines = 10;
char buf;
while (read(f, &buf, 1) && lines > 0) {
if (buf == '\n') lines--;
printf("%c", buf);
}
close(f);
}
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