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1 | /*
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2 | * gets.c - read a line from a stream
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3 | */
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4 | /* $Header: /cvsup/minix/src/lib/stdio/gets.c,v 1.1.1.1 2005/04/21 14:56:35 beng Exp $ */
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5 |
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6 | #include <stdio.h>
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7 |
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8 | char *
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9 | gets(char *s)
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10 | {
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11 | register FILE *stream = stdin;
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12 | register int ch;
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13 | register char *ptr;
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14 |
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15 | ptr = s;
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16 | while ((ch = getc(stream)) != EOF && ch != '\n')
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17 | *ptr++ = ch;
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18 |
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19 | if (ch == EOF) {
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20 | if (feof(stream)) {
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21 | if (ptr == s) return NULL;
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22 | } else return NULL;
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23 | }
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24 |
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25 | *ptr = '\0';
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26 | return s;
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27 | }
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