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