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Annotation of coherent/b/lib/libc/stdio/fgets.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * libc/stdio/fgets.c
                      3:  * ANSI-compliant C standard i/o library.
                      4:  * fgets()
                      5:  * ANSI 4.9.10.2.
                      6:  * Get string from stream.
                      7:  * Read up to n-1 characters, including newline.
                      8:  */
                      9: 
                     10: #include <stdio.h>
                     11: 
                     12: char *
                     13: fgets(s, n, stream) char *s; register int n; FILE *stream;
                     14: {
                     15:        register c;
                     16:        register char *cp;
                     17: 
                     18:        cp = s;
                     19:        while (--n > 0 && (c = getc(stream)) != EOF)
                     20:                if ((*cp++ = c) == '\n')
                     21:                        break;
                     22:        if (c == EOF && (cp == s || ferror(stream)))
                     23:                return NULL;            /* ANSI says leave *cp unchanged */
                     24:        *cp = '\0';                     /* else NUL-terminate */
                     25:        return s;
                     26: }
                     27: 
                     28: /* end of libc/stdio/fgets.c */

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