28 строки
456 B
C
28 строки
456 B
C
#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int main() {
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int err;
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err = isatty(-1);
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assert(!err);
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assert(errno == EBADF);
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err = isatty(open("/dev/stdin", O_RDONLY));
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assert(err == 1);
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err = isatty(open("/dev/null", O_RDONLY));
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assert(!err);
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err = isatty(open("/dev", O_RDONLY));
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assert(!err);
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puts("success");
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return EXIT_SUCCESS;
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} |