28 lines
		
	
	
		
			412 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			412 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * fgets.c - get a string from a file
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|  */
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| /* $Header$ */
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| 
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| #include	<stdio.h>
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| 
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| char *
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| fgets(char *s, register int n, register FILE *stream)
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| {
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| 	register int ch;
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| 	register char *ptr;
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| 
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| 	ptr = s;
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| 	while (--n > 0 && (ch = getc(stream)) != EOF) {
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| 		*ptr++ = ch;
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| 		if ( ch == '\n')
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| 			break;
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| 	}
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| 	if (ch == EOF) {
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| 		if (feof(stream)) {
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| 			if (ptr == s) return NULL;
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| 		} else return NULL;
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| 	}
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| 	*ptr = '\0';
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| 	return s;
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| }
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