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Annotation of coherent/d/lib/libc/stdio/fread.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Standard I/O Library
        !             3:  * Read nitems of size from file fp
        !             4:  */
        !             5: 
        !             6: #include <stdio.h>
        !             7: 
        !             8: int
        !             9: fread(bp, size, nitems, fp)
        !            10: register char  *bp;
        !            11: unsigned int   size;
        !            12: unsigned int   nitems;
        !            13: register FILE  *fp;
        !            14: {
        !            15:        unsigned int    nb = size*nitems;
        !            16:        register int    c;
        !            17: 
        !            18:        if (fp->_ff&_FUNGOT) {
        !            19:                *bp++ = (*fp->_gt)(fp);
        !            20:                nb--;
        !            21:        }
        !            22:        if (fp->_bp!=NULL || !(fp->_ff&_FSTBUF))
        !            23:                for (; nb && (c=getc(fp))!=EOF; nb--)
        !            24:                        *bp++ = c;
        !            25:        else if ((c=read(fileno(fp), bp, nb)) > 0)
        !            26:                nb -= c;
        !            27:        else if (c == 0)
        !            28:                fp->_ff |= _FEOF;
        !            29:        else
        !            30:                fp->_ff |= _FERR;
        !            31:        return ((size*nitems-nb)/size);
        !            32: }

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