25 lines
439 B
C
25 lines
439 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#define SZBUF 256
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int main(int argc, char *argv[]){
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int fs, n;
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char buf[SZBUF];
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if (argc < 2){
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fprintf(stderr, "Usage : %s <SRC_FILE>\n", argv[0]);
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exit(1);
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}
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fs = open(argv[1], O_RDONLY);
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if (fs == -1){
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perror("File opening fails");
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exit(2);
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}
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while (n = read(fs, buf, SZBUF))
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write(1, buf, n);
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close(fs);
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exit(0);
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return EXIT_SUCCESS;
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}
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