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Annotation of 40BSD/libc/stdio/fgets.c, revision 1.1.1.1

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

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