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37 lines
596 B
C
37 lines
596 B
C
#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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int main(int argc, char *argv[])
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{
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int status;
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int fd;
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int i;
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for (i = 1; i < argc; i++) {
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char buffer[1024];
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fd = open(argv[i], O_RDONLY);
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if (fd < 0) {
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perror("open(2)");
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exit(EXIT_FAILURE);
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}
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while ((status = read(fd, buffer, sizeof(buffer))) > 0 && write(1, buffer, status) == status)
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errno = 0;
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if (errno != 0) {
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perror("read(2)/write(2)");
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exit(EXIT_FAILURE);
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}
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(void) close(fd);
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}
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exit(EXIT_SUCCESS);
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}
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