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Annotation of researchv9/libc/stdio/fgets.c, revision 1.1

1.1     ! root        1: /* @(#)fgets.c 4.1 (Berkeley) 12/21/80 */
        !             2: #include       <stdio.h>
        !             3: 
        !             4: char *
        !             5: fgets(s, n, iop)
        !             6: char *s;
        !             7: register FILE *iop;
        !             8: {
        !             9:        register c;
        !            10:        register char *cs;
        !            11: 
        !            12:        cs = s;
        !            13:        while (--n>0 && (c = getc(iop))>=0) {
        !            14:                *cs++ = c;
        !            15:                if (c=='\n')
        !            16:                        break;
        !            17:        }
        !            18:        if (c<0 && cs==s)
        !            19:                return(NULL);
        !            20:        *cs++ = '\0';
        !            21:        return(s);
        !            22: }

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