27 lines
375 B
C
27 lines
375 B
C
/*
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* gets.c - read a line from a stream
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*/
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/* $Header$ */
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#include <stdio.h>
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char *
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gets(char *s)
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{
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register FILE *stream = stdin;
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register int ch;
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register char *ptr;
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ptr = s;
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while ((ch = getc(stream)) != EOF && ch != '\n')
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*ptr++ = ch;
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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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