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[9] | 1 | /*
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| 2 | * fgets.c - get a string from a file
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| 3 | */
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| 4 | /* $Header: /cvsup/minix/src/lib/stdio/fgets.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 | fgets(char *s, register int n, register FILE *stream)
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| 10 | {
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| 11 | register int ch;
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| 12 | register char *ptr;
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| 13 |
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| 14 | ptr = s;
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| 15 | while (--n > 0 && (ch = getc(stream)) != EOF) {
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| 16 | *ptr++ = ch;
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| 17 | if ( ch == '\n')
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| 18 | break;
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| 19 | }
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| 20 | if (ch == EOF) {
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| 21 | if (feof(stream)) {
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| 22 | if (ptr == s) return NULL;
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| 23 | } else return NULL;
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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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