42 lines
598 B
C
42 lines
598 B
C
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#include <stdio.h>
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#include <stdlib.h>
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static void usage (void) __attribute__ ((unused));
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int
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main (int argc, char *argv[])
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{
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if (argc < 2)
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{
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int c;
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while ((c = getchar()) != EOF)
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{
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putchar(c);
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}
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return EXIT_SUCCESS;
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}
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FILE *fp = fopen(argv[1], "r");
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if (fp == NULL)
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{
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return EXIT_FAILURE;
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}
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int c;
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while ((c = fgetc(fp)) != EOF)
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{
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putchar(c);
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}
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fclose(fp);
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return EXIT_SUCCESS;
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}
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static void
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usage (void)
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{
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printf ("cat, print the contents of a file\n");
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printf ("usage: cat FILE\n");
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}
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